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07:09:17 Mon 18 May 2026

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Anhui Yuanxin Heavy Ind C

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China 22MCC Group Corpora

(5)

Foshan Huibaisheng Laser

(5)

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(3)

CCCC First Highway Engine

(3)

Harbin Institute of Techn

(3)

Health Line Tech Foshan C

(3)

No 719 Res Institute Chin

(3)

Tangshan Zhengyuan Pipe I

(3)

Baotou Iron and Steel Gro

(2)

Beijing Institute of Tech

(2)

CSCEC Strait Construction

(2)

China Metallurgical Const

(2)

China Three Gorges Univer

(2)

China University of Minin

(2)

Chongqing Industry Polyte

(2)

E V Offshore Ltd

(2)

Foshan Lyushuiqingyuan Pi

(2)

Hangzhou Jiangrun Tech Co

(2)

Henan Huadian Jinyuan Pip

(2)

Hengjie Intelligent Toile

(2)

Hubei Shenbai Special Pur

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(2)

Jiangsu World Furniture

(2)

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(2)

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(2)

(2)

Mhps Dongfang Boiler Co L

(2)

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(2)

Research Institute Highwa

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(2)

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(2)

(2)

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(2)

Sichuan Huaneng Fujiang H

(2)

The First Engineering Com

(2)

University of Science and

(2)

Wuhan Daoxiaofei Technolo

(2)

Wuhu Shipyard Co Ltd

(2)

Xi\'an Shiyou University

(2)

Yanan University

(2)

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(2)

Air Ip Holdings Ltd

(1)

Alexander Daryl B [us]; A

(1)

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(1)

Anhui Afulishe Intelligen

(1)

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(1)

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(1)

Anhui Huiying Intelligent

(1)

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(1)

Anhui Polytechnic Univers

(1)

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(1)

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(1)

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(1)

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(1)

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(1)

(1)

Ariane Optoelectronics Co

(1)

(1)

Beijing Feda Geron Air Se

(1)

Beijing Gas Group

(1)

Beijing General Municipal

(1)

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(1)

Beijing Heating Project D

(1)

Beijing Jiaoda Qilin Huit

(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

Bengang Steel Plates

(1)

Bluestar Beijing Chemical

(1)

Braun Avitum AG

(1)

CCC Guangzhou Dredging; C

(1)

CCCC First Harbor Enginee

(1)

CCCC First Highway Engine

(1)

CCCC Haifeng Wind Power D

(1)

CCCC SDC Fujian Communica

(1)

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(1)

CCTE3 Infrastructure Cons

(1)

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(1)

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(1)

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(1)

CNOOC Tianjin Branch

(1)

COSCO Shipping Heavy Indu

(1)

(1)

CSSC Nanjing Luzhou Machi

(1)

Cangzhou Longtaidi Pipe T

(1)

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(1)

Changda Municipal Enginee

(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

Chenzhou Huaxia Lisen Mec

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Chian Qiyuan Engineering

(1)

China Chemical Guilin Eng

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China Coal Research Insti

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China Datang Group Tech I

(1)

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(1)

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(1)

China Huaye Group

(1)

China Jiliang University;

(1)

China Mobile Xiongan Info

(1)

China Nat Offshore Oil Co

(1)

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(1)

China State Shipbuilding,

(1)

(1)

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(1)

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(1)

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(1)

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(1)

China United Heavy Gas Tu

(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

Chuanghuida Design Co Ltd

(1)

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(1)

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(1)

(1)

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(1)

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(1)

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(1)

Dalian University of Tech

(1)

Dalian Yida Prec Rubber P

(1)

Dan Rob Daniel Kubacki Ro

(1)

Distra Chemical S L

(1)

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(1)

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(1)

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(1)

Dongguan University of Te

(1)

Douhe Thermal Power Branc

(1)

Dreame Innovation Technol

(1)

Dvw Holdings Llc

(1)

East China Normal Univers

(1)

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(1)

Electric Power Res Inst S

(1)

Euro Heat Pipes

(1)

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(1)

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(1)

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Fujian Dali New Building

(1)

Fujian Julong Pipe Ind Co

(1)

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(1)

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(1)

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Fuzhou Planning Design &

(1)

(1)

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Guangdong Aoxinmei Packag

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Guangdong China Coal Jian

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(1)

Guangdong Mingdao Communi

(1)

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(1)

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(1)

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(1)

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(1)

Guangxi Fangchenggang Nuc

(1)

Guangxi Wankai New Materi

(1)

Guangzhou Construction In

(1)

Guangzhou Goldtech Buildi

(1)

Guangzhou Mayer Corp Ltd

(1)

Guangzhou Yiji Prec Parts

(1)

Guantao Wangshun Bearing

(1)

Guilin University of Tech

(1)

Guizhou Bridge Constr Gro

(1)

Guizhou Jiaotong Vocation

(1)

Guizhou University

(1)

Guoneng Ningxia Lingwu Po

(1)

(1)

Hangzhou Bainuo Electric

(1)

Hangzhou Changhai Electri

(1)

Hangzhou Dajiangdong City

(1)

Hangzhou Electric Power D

(1)

Hangzhou Energy Group Eng

(1)

Hangzhou Fuyang Kewei Ste

(1)

Hangzhou Guoneng Steam Tu

(1)

Hangzhou Jingyan Tech Co

(1)

Hangzhou Laotan Hardware

(1)

Hangzhou Ruisi Nade Preci

(1)

Hangzhou Tongyu Ind Co Lt

(1)

Hangzhou Yite Huawo Tech

(1)

(1)

Harbin Engineering Univer

(1)

Harbin First Municipal En

(1)

Harbin Turbine Auxiliary

(1)

Harbin University of Scie

(1)

Heatcraft Refrigeration P

(1)

Hebei Dibo Electric Power

(1)

Hebei Jinchangsheng Elect

(1)

Hebei Jy Tech Co Ltd

(1)

Hebei Libin General Equip

(1)

Hebei Lihao Energy Saving

(1)

Hebei Sinuotong Pipe Ind

(1)

Hebei Xingdong Pipeline C

(1)

Hebei Zhentong Electrical

(1)

Hefei Institutes of Physi

(1)

Hefei Maisi Taihe Informa

(1)

Hefei Miaotong Municipal

(1)

Hefei Oulijie Intelligent

(1)

Henan China Industry Desi

(1)

Henan Diesel Engine Indus

(1)

Henan Xinlianxin Intellig

(1)

Hengrun Group Co Ltd; Heb

(1)

Hengshui Huapeng Pipe Ind

(1)

Hengyang Valin Steel Tube

(1)

Herrenknecht Vertical Gmb

(1)

Hilong Pipeline Engineeri

(1)

Hongzhuan Zhimo Shanghai

(1)

Huadian Engineering

(1)

Huadian Longkou Power Gen

(1)

Huaibei Tanyu Metallurgic

(1)

Huaneng Clean Energy Res

(1)

Huaneng Clean Energy Res

(1)

Huaneng Dongguan Gas Turb

(1)

Huaneng Gansu Energy Dev

(1)

Huaneng Hunan Yueyang Pow

(1)

Huaneng Jiangyin Gas Turb

(1)

Huaneng Jiangyin Gas Turb

(1)

Huaneng Jilin Power Gener

(1)

Huaneng Jingtai Thermal P

(1)

Huaneng Luoyuan Power Gen

(1)

Huaneng Qingyang Coal and

(1)

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(1)

Huatian Nanjing Engineeri

(1)

Huayu Branch Of Lanzhou V

(1)

Huayuan Computing Tech Sh

(1)

Hubei Hongyi Intelligent

(1)

Hubei Kingbull Pipe Indus

(1)

Hubei Natural Gas Dev Sal

(1)

Hubei Zhsu Pipe Industry

(1)

Huimen Huanxin Anqing Pow

(1)

Huizhou Daya Tech Co Ltd

(1)

Huizhou Shuozhong Thermal

(1)

Hunan Changgao Electrical

(1)

Hunan Jingba Pipe Mfg Co

(1)

Hunan Longshengda Steel P

(1)

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(1)

Hunan Puqi Water Environm

(1)

Hunan Senxin Construction

(1)

Hunan Valin Xiangtan Iron

(1)

Hunan Yaqi Plastic Co Ltd

(1)

Hutchinson S R L

(1)

Huzhou Shengchun Applied

(1)

Hytrans Beheer B V

(1)

Inner Mongolia Coal Geolo

(1)

Inner Mongolia University

(1)

Inner Mongolia Zhuozheng

(1)

Inst High Speed Aerodynam

(1)

Jiangsu Changying Machine

(1)

Jiangsu Haoran New Mat Co

(1)

Jiangsu Hengsheng Technol

(1)

Jiangsu Hongliangtou Publ

(1)

Jiangsu Huilin Electric A

(1)

Jiangsu Jietuo Valve Co L

(1)

Jiangsu Jjc Intelligent E

(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

Jiangsu University

(1)

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(1)

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(1)

Jiangsu Yize New Mat Co L

(1)

Jiangsu Youfa Steel Pipe

(1)

Jiangsu Yulong Taihu New

(1)

Jiangsu Zhenguang Power E

(1)

Jiangxi Hongruima Steel P

(1)

Jiangxi Jinshifei Constru

(1)

Jiangxi Xinding Tech Co L

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Jiangyin Chengyuan Water

(1)

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(1)

Jiangyin Sanhe Heavy Ind

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Jiangyin South Stainless

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Jianhua Construction Mat

(1)

Jilin Haoning Laser Welde

(1)

Jilin Investig And Design

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Jilin Jianzhu University

(1)

Jilin Water Conservancy A

(1)

Jinan Energy Engineering

(1)

Jinan Jiecheng Building M

(1)

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(1)

Jinhua DKS Sport

(1)

Jinzhong University

(1)

Juancheng Power Supply Co

(1)

Kaiming Tech Hangzhou Co

(1)

Kernkraftwerk Goesgen Dae

(1)

Kunming University of Sci

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Kunshan Shengyuan Machine

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Laian Runpeng Metal Produ

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Laizhou City Toppower Pet

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Laoshan National Laborato

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(1)

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Liaoning Zhongda Construc

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Lingdong Nuclear Power Co

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Linhai Weixing New Buildi

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Linyi Jinxiutu Surveying

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Longkou Dongsheng Machine

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Luohe Letone Hydraulics T

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Luoyang Judian Metal Ther

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Luoyang Sunrui Wanji Tita

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Luzhou Vocational & Techn

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(1)

Mianyang Municipal Constr

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Mitsubishi Heavy Industri

(1)

Mitsubishi Heavy Industri

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Nanchang Huaqin Electroni

(1)

Nanchang Water Group Seco

(1)

Nanfang Hospital

(1)

Nanjing Antouke Intellige

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Nanjing Orientleader Tech

(1)

Nanjing University of Tec

(1)

Nantong Huishun Machinery

(1)

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(1)

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(1)

Nantong Qiangsi Digital T

(1)

Nantong Xundong Prec Mach

(1)

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(1)

National Petroleum Pipeli

(1)

National Petroleum Pipeli

(1)

Nengji Weilai Xian Enviro

(1)

(1)

New Changcheng Zhangzhou

(1)

Ningbo Huiyongju Fire Equ

(1)

Ningbo Institute of Mater

(1)

Ningbo Yuhua Ind Co Ltd

(1)

Ningbo Yusheng Machine Co

(1)

Ningguo Rigemei Rubber

(1)

Ningxia Zhongxin Jingyuan

(1)

North China University of

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Northwest Institute for N

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Offshore Oil Eng Qingdao

(1)

On PIER SA Group

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Palamara Cesare [it]; Pal

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Pengzhuang Coal Mine Of L

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Plastic Omnium New Energi

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(1)

(1)

PowerChina Beijing Engine

(1)

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Qingdao Haiwan Chemical

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Qingdao University of Tec

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Qinghai Institute of Salt

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(1)

Quanzhou Gas Co Ltd

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(1)

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Rifeng New Mat Co Ltd; Fo

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Road & Bridge Internation

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(1)

Ruika Changzhou Tech Co L

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Ruiyuan Rubber & Plastic

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Saint Gobain Pam Canalisa

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(1)

Shaanxi Baoguang Vacuum E

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Tengfei Technology and Suzhou Jiudianban Tech Co Ltd Submit Patent Application for Water Circulation Temperature Control Mattress Pipeline Automatic Planning Method

Pipe

| Fri 15 May 2026

Beijing, May 16 -- Tengfei Technology and Suzhou Jiudianban Tech Co Ltd have submitted a patent application for Water Circulation Temperature Control Mattress Pipeline Automatic Planning Method. Ye Gang, Zong Shihao, Du Yu, Yu Jun, Mei Xianming and Huang Weiping developed the invention. The patent application number is CN2025..

Huaneng Luoyuan Power Generation and Xi'an Thermal Power Research Institute File Chinese Patent Application for Condenser Leakage Pipe Positioning System and Method Based on Sound ..

Pipe

| Sat 16 May 2026

Beijing, May 16 -- Huaneng Luoyuan Power Generation and Xi'an Thermal Power Research Institute have filed a patent application for Condenser Leakage Pipe Positioning System and Method Based on Sound Wave Pulse Reflection. This invention was developed by Meng Long, Li Junwan, Zhang Weike, Qiu Xuesong, Zheng Yun, Xue Xiaofeng, Wan..

Huaneng Clean Energy Res Institute and Huaneng Qingyang Coal and Electricity Submit Chinese Patent Application for Tail Pipe Overlapping Section Sealing Verification Method and Dev..

Pipe

| Sat 16 May 2026

Beijing, May 16 -- Huaneng Clean Energy Res Institute and Huaneng Qingyang Coal and Electricity have submitted a patent application for Tail Pipe Overlapping Section Sealing Verification Method and Device and Electronic Equipment. This invention was developed by Zhong Dongyan, Gao Wen, Jing Tieya, Ge Lungui, Zhao Wentao, Zhu Yal..

Shanxi Research Institute For Clean Energy Tsinghua Univ and Yangquan Rongsheng Pipe Network Construction Invest Co Ltd Submit Chinese Patent Application for Micro Negative Pressur..

Pipe

| Sat 16 May 2026

Beijing, May 16 -- Shanxi Research Institute For Clean Energy Tsinghua Univ and Yangquan Rongsheng Pipe Network Construction Invest Co Ltd have submitted a patent application for Micro Negative Pressure Wave-ai Fusion Positioning Method for Long-distance Heat Supply Pipe Network. This invention was developed by Chu Yingjie, Guo ..

The First Engineering Company of CCCC Fourth Harbor Engineering and CCCC Fourth Harbor Engineering File Chinese Patent Application for Submarine Tunnel Vertical Jacking Pipe Joint ..

Pipe

| Sat 16 May 2026

Beijing, May 16 -- The First Engineering Company of CCCC Fourth Harbor Engineering and CCCC Fourth Harbor Engineering have filed a patent application for Submarine Tunnel Vertical Jacking Pipe Joint Transfer Monitoring System and Control Method. This invention was developed by Shan Liang, Wang Guoli, Qiu Yanhua, Bo Qiwen, Zhong ..

Jilin Water Conservancy and Hydropower Eng Bureau Group Co Ltd and Jilin Yuyuan Water Conservancy and Hydropower Eng Co Ltd Submit Chinese Patent Application for Auxiliary Installa..

Pipe

| Sat 16 May 2026

Beijing, May 16 -- Jilin Water Conservancy and Hydropower Eng Bureau Group Co Ltd and Jilin Yuyuan Water Conservancy and Hydropower Eng Co Ltd have submitted a patent application for Auxiliary Installation Tackle for Underground Pipeline Crossing Construction. This invention was developed by Wu Zhe, Li Xue, Dong Chunwei, Sun Gua..

China Three Gorges and Changjiang Ecology Environmental Protection Group Submit Patent Application for Urban Sewage Pipe Network Rain and Sewage Mixed Connection Identification, Di..

Pipe

| Fri 15 May 2026

Beijing, May 16 -- China Three Gorges and Changjiang Ecology Environmental Protection Group have submitted a patent application for Urban Sewage Pipe Network Rain and Sewage Mixed Connection Identification, Diagnosis and Tracing Method Based on Data Analysis. Hu Xiaoling, Hou Yukun, Jia Boyang, Chen Yasong, Xu Yan, Lei Yang, Sha..

China Jiliang University and Wenzhou Special Equipment Inspection and Res Institute Wenzhou Special Equipment Emergency Disposal Apply for Patent on Intelligent Identification Meth..

Pipe

| Fri 15 May 2026

Beijing, May 16 -- China Jiliang University and Wenzhou Special Equipment Inspection and Res Institute Wenzhou Special Equipment Emergency Disposal have applied Chinese patent for Intelligent Identification Method and System for Damage of Hydrogen Conveying Pipeline Based on Multi-sensor Feature Fusion. Zhou Haiting, Miao Haibo..

Luzhou Vocational & Technical College and Luzhou Shunkong Tech Co Ltd Submit Chinese Patent Application for Oil and Gas Pipeline Defect Detection Method

Pipe

| Sat 16 May 2026

Beijing, May 16 -- Luzhou Vocational & Technical College and Luzhou Shunkong Tech Co Ltd have submitted a patent application for Oil and Gas Pipeline Defect Detection Method. This invention was developed by Zheng Ting, Yu Yang, Yu Xiaoyan, Zheng Yuqi and Hou Hongzheng. The patent application number is CN202511895626 20251216...

Huaneng Jilin Power Generation Co Ltd and Xi'an Thermal Power Research Institute Seek Patent for Double-pipe Heat Exchanger

Pipe

| Sat 16 May 2026

Beijing, May 16 -- Huaneng Jilin Power Generation Co Ltd and Xi'an Thermal Power Research Institute have sought patent for Double-pipe Heat Exchanger. This invention was developed by Meng Xin, Sun Zhihui, Wang Wenchao, Li Quanjie, Yang Lizhi and Wu Jiarong. The patent application number is CN202511791559 20251201. The patent ..

Powerchina Guiyang Engineering Corporation and Powerchina Eco Environmental Design Res Co Ltd Submit Patent Application for Method for Quickly Judging Defect Point Location and Gra..

Pipe

| Fri 15 May 2026

Beijing, May 16 -- Powerchina Guiyang Engineering Corporation and Powerchina Eco Environmental Design Res Co Ltd have submitted a patent application for Method for Quickly Judging Defect Point Location and Grade of Drainage Pipeline. He Juan, Zhang Qing, Yu Can, Yuan Cheng, Shan Chengkang, Zhang Kui, Yao Yuancheng, Li Nan, Xie X..

The First Engineering Company of CCCC Fourth Harbor Engineering and CCCC Fourth Harbor Engineering Submit Chinese Patent Application for Model Selection Design Method for Slurry Ci..

Pipe

| Fri 15 May 2026

Beijing, May 16 -- The First Engineering Company of CCCC Fourth Harbor Engineering and CCCC Fourth Harbor Engineering have submitted a patent application for Model Selection Design Method for Slurry Circulation Pipeline Equipment in Long-distance Hard Rock Slurry Shield Construction. This invention was developed by Huang Guozhon..

Guizhou University Submits Chinese Patent Application for Pipeline Buffering Device

Pipe

| Mon 18 May 2026

Beijing, May 18 -- Guizhou University has submitted a patent application for Pipeline Buffering Device. This invention was developed by Kong Dezhong, Chen Longgui, Wu Guiyi, Li Yanjiao, Zhang Pengfei and Luo Ya. The patent application number is CN202511889978 20251215. The patent publication number is CN121346120 (A). Interna..

State Intellectual Property Office of China Releases Hubei Natural Gas Dev Sales Co Ltd Patent Application for Pipe Network Leakage Monitoring Terminal and Method for Urban Gas Tra..

Pipe

| Mon 18 May 2026

Beijing, May 18 -- State Intellectual Property Office of China has released Hubei Natural Gas Dev Sales Co Ltd patent application for Pipe Network Leakage Monitoring Terminal and Method for Urban Gas Transmission and Distribution System. This invention was developed by Zhou Lei, Tian Dexin, Ma Jingde, Zhang Meng, Pang Bin, Chen ..

State Intellectual Property Office of China Releases Chongqing Industry Polytechnic Univ and Qiguanjia Chongqing Safety Equipment Co Ltd Patent Application for Multi-source Sensing..

Pipe

| Mon 18 May 2026

Beijing, May 18 -- State Intellectual Property Office of China has released Chongqing Industry Polytechnic Univ and Qiguanjia Chongqing Safety Equipment Co Ltd patent application for Multi-source Sensing Risk Early Warning System and Dynamic Analysis Method for Gas Transmission and Distribution Pipe Network. This invention was d..

State Intellectual Property Office of China Releases Beijing Semiconductor Special Equipment Res Inst 45th Res Inst China Elec Patent Application for Parallel Pipeline Flow Distrib..

Pipe

| Mon 18 May 2026

Beijing, May 18 -- State Intellectual Property Office of China has released Beijing Semiconductor Special Equipment Res Inst 45th Res Inst China Elec patent application for Parallel Pipeline Flow Distribution Method and Device. This invention was developed by Wang Chao, Qin Mingsheng, Dong Qingqing, Li Jiaojiao, Fu Zhijun and Cu..

State Intellectual Property Office of China Releases Hunan Yaqi Plastic Co Ltd Patent Application for Pipeline Inner Wall Detection Device for Plastic Corrugated Pipe

Pipe

| Mon 18 May 2026

Beijing, May 18 -- State Intellectual Property Office of China has released Hunan Yaqi Plastic Co Ltd patent application for Pipeline Inner Wall Detection Device for Plastic Corrugated Pipe. This invention was developed by Zhang Eming and Zhang Jianren. The patent application number is CN202511738288 20251125. The patent publ..

State Intellectual Property Office of China Releases Dongguan Gemei Energy Saving Equipment Co Ltd Patent Application for Vibration Isolation and Noise Reduction Wrapping Combined ..

Pipe

| Mon 18 May 2026

Beijing, May 18 -- State Intellectual Property Office of China has released Dongguan Gemei Energy Saving Equipment Co Ltd patent application for Vibration Isolation and Noise Reduction Wrapping Combined Air Energy Heat Pump Pipeline Noise Reduction Structure. This invention was developed by Wu Shaoyou. The patent application ..

State Intellectual Property Office of China Releases Sichuan Xinzhongtai New Mat Co Ltd Patent Application for Steel-plastic Composite Exhaust Pipe and Assembly Auxiliary Equipment..

Pipe

| Mon 18 May 2026

Beijing, May 18 -- State Intellectual Property Office of China has released Sichuan Xinzhongtai New Mat Co Ltd patent application for Steel-plastic Composite Exhaust Pipe and Assembly Auxiliary Equipment and Assembly Method of Exhaust Pipe. This invention was developed by Li Xiang and Xian Yinzhu. The patent application numbe..

State Intellectual Property Office of China Releases China Tiesiju Civil Engineering Group, The Fourth Engineering of CTCE Group and Xiongan Eng Co Ltd Of Ctce Group Patent Applica..

Pipe

| Mon 18 May 2026

Beijing, May 18 -- State Intellectual Property Office of China has released China Tiesiju Civil Engineering Group, The Fourth Engineering of CTCE Group and Xiongan Eng Co Ltd Of Ctce Group patent application for Hydraulic Type Automatic Foundation Pit Pipeline Mounting Trolley. This invention was developed by Qin Hongxin, Xu Shu..

State Intellectual Property Office of China Releases Ningbo Yunsheng Ind & Trade Co Ltd Patent Application for Oil Level Gauge Guide Pipe and Forming Equipment Thereof

Pipe

| Mon 18 May 2026

Beijing, May 18 -- State Intellectual Property Office of China has released Ningbo Yunsheng Ind & Trade Co Ltd patent application for Oil Level Gauge Guide Pipe and Forming Equipment Thereof. This invention was developed by Li Zhiting, Gong Yingshu, Liu Shengtao and Wu Chenyao. The patent application number is CN202511905702 ..

State Intellectual Property Office of China Releases Hubei Shenbai Special Purpose Vehicle Co Ltd Patent Application for Steel Pipe Quenching Device for Crane Boom

Pipe

| Sun 17 May 2026

Beijing, May 18 -- State Intellectual Property Office of China has released Hubei Shenbai Special Purpose Vehicle Co Ltd patent application for Steel Pipe Quenching Device for Crane Boom. This invention was developed by Bai Guitao, Gong Jingqi, Luo Huaxiang, Wen Bin, Wang Qiubo and Roh Dong-hwi. The patent application number ..

State Intellectual Property Office of China Releases Changzhou Wankang Electronics Co Ltd Patent Application for Automatic Grinding Device for Air Conditioner Copper Pipe

Pipe

| Sun 17 May 2026

Beijing, May 18 -- State Intellectual Property Office of China has released Changzhou Wankang Electronics Co Ltd patent application for Automatic Grinding Device for Air Conditioner Copper Pipe. This invention was developed by Feng Qingyu, Fan Guoguang and Fan Hongwei. The patent application number is CN202511634077 20251110...

State Intellectual Property Office of China Releases Hebei Zhentong Electrical Equipment Co Ltd Patent Application for Polishing Device for Metal Power Cable Protection Pipe Produc..

Pipe

| Sun 17 May 2026

Beijing, May 18 -- State Intellectual Property Office of China has released Hebei Zhentong Electrical Equipment Co Ltd patent application for Polishing Device for Metal Power Cable Protection Pipe Production. This invention was developed by Yang Jiaheng, Zhou Sheng and Tao Zheng. The patent application number is CN20251157840..

State Intellectual Property Office of China Releases Nantong Xundong Prec Machinery Co Ltd Patent Application for Laser Pipe Cutting Machine Capable of Preventing Pipe Body from De..

Pipe

| Sun 17 May 2026

Beijing, May 18 -- State Intellectual Property Office of China has released Nantong Xundong Prec Machinery Co Ltd patent application for Laser Pipe Cutting Machine Capable of Preventing Pipe Body from Deforming. This invention was developed by Yang Beisong and Li Wenjiang. The patent application number is CN202511907131 20251..

State Intellectual Property Office of China Releases Shandong Haoke Machinery Equipment Co Ltd Patent Application for Hanging Basket Pipe Fitting Laser Cutting Device

Pipe

| Sun 17 May 2026

Beijing, May 18 -- State Intellectual Property Office of China has released Shandong Haoke Machinery Equipment Co Ltd patent application for Hanging Basket Pipe Fitting Laser Cutting Device. This invention was developed by Lin Jianzhong, Zhao Youguang, Yang Linkun and Fu Guo. The patent application number is CN202511895396 20..

State Intellectual Property Office of China Releases Beijing Uni Construction Installation Eng Co Ltd Patent Application for Air Pipe Opening Cutting Device and Opening Cutting Met..

Pipe

| Sun 17 May 2026

Beijing, May 18 -- State Intellectual Property Office of China has released Beijing Uni Construction Installation Eng Co Ltd patent application for Air Pipe Opening Cutting Device and Opening Cutting Method. This invention was developed by Wang Hongwei, Gu Huijie, Liu Xin, Yin Yingying, Li Xiaodong, Chen Liang, Zhang Shuoyi, Liu..

State Intellectual Property Office of China Releases Zhejiang Qianda Pipe Ind Co Ltd Patent Application for Antibacterial and Flame-retardant Hppm Double-wall Reinforced Corrugated..

Pipe

| Sun 17 May 2026

Beijing, May 18 -- State Intellectual Property Office of China has released Zhejiang Qianda Pipe Ind Co Ltd patent application for Antibacterial and Flame-retardant Hppm Double-wall Reinforced Corrugated Pipe with Round Inner Part and Square Outer Part. This invention was developed by Lu Yuheng, Yu Sijie and Lu Xiuting. The p..

State Intellectual Property Office of China Releases Health Line Tech Foshan Co Ltd Patent Application for Automatic Positive Pressure Pipe Sealing Device and Pipe Washing Device

Pipe

| Mon 18 May 2026

Beijing, May 18 -- State Intellectual Property Office of China has released Health Line Tech Foshan Co Ltd patent application for Automatic Positive Pressure Pipe Sealing Device and Pipe Washing Device. This invention was developed by Wu Yongsheng, Lee Hwan-hoon and She Limin. The patent application number is CN202511920014 2..

State Intellectual Property Office of China Publishes Hangzhou Tongyu Ind Co Ltd Patent Application for Environment-friendly Pe Pipeline Convenient to Maintain

Pipe

| Mon 18 May 2026

Beijing, May 18 -- State Intellectual Property Office of China has published Hangzhou Tongyu Ind Co Ltd patent application for Environment-friendly Pe Pipeline Convenient to Maintain. The invention was developed by Shao Xiaoyan, Cao Peixiang, Chang Chaojun, Pan Xiujuan, Zhang Mengna and Xu Qibin. The patent application number..

State Intellectual Property Office of China Publishes Anhui Shengchenyuan Material Tech Industrial Development Co Ltd Patent Application for Forming Method and Forming Device of Wi..

Pipe

| Sun 17 May 2026

Beijing, May 18 -- State Intellectual Property Office of China has published Anhui Shengchenyuan Material Tech Industrial Development Co Ltd patent application for Forming Method and Forming Device of Winding Structure Pipe. The invention was developed by Guo Zongyu and Kwak Je-ho. The patent application number is CN202511425..

State Intellectual Property Office of China Publishes Chongqing Luyou Shock Absorber Co Ltd Patent Application for Press Welding Integrated Device for Front Fork Pipe Assembly

Pipe

| Sun 17 May 2026

Beijing, May 18 -- State Intellectual Property Office of China has published Chongqing Luyou Shock Absorber Co Ltd patent application for Press Welding Integrated Device for Front Fork Pipe Assembly. The invention was developed by Yu Yungang, Li Chengyang, Chen Shaohua, Zhang Biao and Yuan Hongcheng. The patent application nu..

State Intellectual Property Office of China Publishes Shanghai Hanlantong Tech Co Ltd Patent Application for Preparation Method of Micro-channel Pipe Structural Member for Liquid C..

Pipe

| Sun 17 May 2026

Beijing, May 18 -- State Intellectual Property Office of China has published Shanghai Hanlantong Tech Co Ltd patent application for Preparation Method of Micro-channel Pipe Structural Member for Liquid Cooling Plate. The invention was developed by Zou Tianxia and Cui Bo. The patent application number is CN202511850383 2025120..

State Intellectual Property Office of China Publishes Juancheng Power Supply Company Of Sate Grid Shandong Electric Power Company Patent Application for Electric Power Engineering ..

Pipe

| Sun 17 May 2026

Beijing, May 18 -- State Intellectual Property Office of China has published Juancheng Power Supply Company Of Sate Grid Shandong Electric Power Company patent application for Electric Power Engineering Pipeline Installation Equipment. The invention was developed by Wu Shufang, Zhang Li, Liu Longfei, Zhang Bo, Li Mingpeng, Yu Zh..

State Intellectual Property Office of China Publishes Ningbo Yunsheng Ind & Trade Co Ltd Patent Application for Special-shaped Automobile Motor Water Inlet Pipe Assembly and Weldin..

Pipe

| Sun 17 May 2026

Beijing, May 18 -- State Intellectual Property Office of China has published Ningbo Yunsheng Ind & Trade Co Ltd patent application for Special-shaped Automobile Motor Water Inlet Pipe Assembly and Welding Tool Thereof. The invention was developed by Liu Shengtao and Gong Yingshu. The patent application number is CN20251191565..

State Intellectual Property Office of China Publishes Zhonglu Construction Yunnan Co Ltd and Yunnan Kunyue Construction Tech Co Ltd Patent Application for Pipe Core Plate Automatic..

Pipe

| Sun 17 May 2026

Beijing, May 18 -- State Intellectual Property Office of China has published Zhonglu Construction Yunnan Co Ltd and Yunnan Kunyue Construction Tech Co Ltd patent application for Pipe Core Plate Automatic Welding Production Equipment with Comb Type Base Plate. The invention was developed by Li Chunjiang, Dong Ying and Zou Chao. ..

State Intellectual Property Office of China Publishes Chenzhou Huaxia Lisen Mech Equipment Co Ltd Patent Application for Thin-walled Pipe Forming Equipment

Pipe

| Sun 17 May 2026

Beijing, May 18 -- State Intellectual Property Office of China has published Chenzhou Huaxia Lisen Mech Equipment Co Ltd patent application for Thin-walled Pipe Forming Equipment. The invention was developed by Chen Jianjun, Wang Hongqin, Nie Mingyu, Huang Zhuo, Shi Zhuping, Guo Yuandong, Wang Zhong and Liu Xianzhong. The pat..

State Intellectual Property Office of China Publishes Health Line Tech Foshan Co Ltd Patent Application for Automatic Positive Pressure Pipe Sealing Device and Pipe Washing Device

Pipe

| Mon 18 May 2026

Beijing, May 18 -- State Intellectual Property Office of China has published Health Line Tech Foshan Co Ltd patent application for Automatic Positive Pressure Pipe Sealing Device and Pipe Washing Device. The invention was developed by Wu Yongsheng, Feng Yongpeng, Lee Hwan-hoon and She Limin. The patent application number is C..

State Intellectual Property Office of China Receives Sichuan Runtai Special Gas Co Ltd Patent Application for Method and System for Optimizing Quality of On-line Flushing Air Pipe

Pipe

| Mon 18 May 2026

Beijing, May 18 -- State Intellectual Property Office of China has received Sichuan Runtai Special Gas Co Ltd patent application for Method and System for Optimizing Quality of On-line Flushing Air Pipe. Wang Yu, Wang Shaonan, Dai Jiaming, Li Ao and Xu Lang developed the invention. The patent application number is CN202511919..

State Intellectual Property Office of China Receives Anhui Afulishe Intelligent Tech Development Co Ltd Patent Application for Pipe Joint Assembly

Pipe

| Mon 18 May 2026

Beijing, May 18 -- State Intellectual Property Office of China has received Anhui Afulishe Intelligent Tech Development Co Ltd patent application for Pipe Joint Assembly. Wang Long, Jin Pingkang, Ma Hanyuan, Cheng Jinwan, Liu Xiang, Zi Daoyou and Zhao Xueqi developed the invention. The patent application number is CN202511839..

State Intellectual Property Office of China Receives Nantong Longyuan Power Station Valve Co Ltd Patent Application for Supercritical Steam Pressure Reducing Valve Based on Single-..

Pipe

| Mon 18 May 2026

Beijing, May 18 -- State Intellectual Property Office of China has received Nantong Longyuan Power Station Valve Co Ltd patent application for Supercritical Steam Pressure Reducing Valve Based on Single-stage Pipe Section of Tesla Valve. Chen Dongdong, Chen Yu, Cao Xueqin and Wu Zhenyu developed the invention. The patent appl..

State Intellectual Property Office of China Receives Sichuan Shixuan Tech Co Ltd Patent Application for Forming Device for Building Facade Stepped Plastic Water Supply and Drainage..

Pipe

| Sun 17 May 2026

Beijing, May 18 -- State Intellectual Property Office of China has received Sichuan Shixuan Tech Co Ltd patent application for Forming Device for Building Facade Stepped Plastic Water Supply and Drainage Pipeline. Feng Hong, Li Deyi, Han Fei, Zhang Xintong, Li Leiming, Liu Shuai, Pan Zhaofei, Gao Zhen, Yang Yuhao, Ji Lintao and ..

State Intellectual Property Office of China Receives Ningbo Huiyongju Fire Equipment Co Ltd Patent Application for Pipe Cutting Machine

Pipe

| Sun 17 May 2026

Beijing, May 18 -- State Intellectual Property Office of China has received Ningbo Huiyongju Fire Equipment Co Ltd patent application for Pipe Cutting Machine. Zhou Yongguo and Shi Chengming developed the invention. The patent application number is CN202511913035 20251218. The patent publication number is CN121339547 (A). Int..

State Intellectual Property Office of China Receives Zhejiang Xinchuang Yinlong Special Steel Pipe Co Ltd Patent Application for Cold-drawing Equipment and Process for High-precisi..

Pipe

| Sun 17 May 2026

Beijing, May 18 -- State Intellectual Property Office of China has received Zhejiang Xinchuang Yinlong Special Steel Pipe Co Ltd patent application for Cold-drawing Equipment and Process for High-precision Seamless Steel Pipe Production. Jiang Yanglin, Lou Jianda, Yang Mi, Shi Changlong, Zhang Kailu and Wang Rongrong developed t..

State Intellectual Property Office of China Receives Huzhou Shengchun Applied Mat Co Ltd Patent Application for Ultrapure Water Ultrasonic Cleaning Equipment for Pipe for Conveying..

Pipe

| Sun 17 May 2026

Beijing, May 18 -- State Intellectual Property Office of China has received Huzhou Shengchun Applied Mat Co Ltd patent application for Ultrapure Water Ultrasonic Cleaning Equipment for Pipe for Conveying High-purity Gas. Wang Wenbin, Ye Xiubao and Xiang Xiuqin developed the invention. The patent application number is CN202511..

Tianjin Yicheng Intelligent Tech Co Ltd Seeks Patent for Big Data Intelligent Monitoring and Early Warning System for Sponge City Rainwater Pipe Network

Pipe

| Mon 18 May 2026

Beijing, May 18 -- Tianjin Yicheng Intelligent Tech Co Ltd has sought patent for Big Data Intelligent Monitoring and Early Warning System for Sponge City Rainwater Pipe Network. This invention was developed by Shan Hong, Liu Jiansheng and Lin Xiaohua. The patent application number is CN202511539419 20251027. The patent public..

Linyi Jinxiutu Surveying And Mapping Co Ltd Seeks Patent for Indoor Pipeline Rapid Surveying and Mapping Device Integrating Laser Ranging and Inertial Navigation

Pipe

| Mon 18 May 2026

Beijing, May 18 -- Linyi Jinxiutu Surveying And Mapping Co Ltd has sought patent for Indoor Pipeline Rapid Surveying and Mapping Device Integrating Laser Ranging and Inertial Navigation. This invention was developed by Tian Cunbao, Wang Quansheng and Huang Xin. The patent application number is CN202511383222 20250926. The pat..

Shandong Luzhe Special Equipment Inspection Co Ltd Seeks Patent for Device for Detecting Inner Wall of Pressure Pipeline

Pipe

| Mon 18 May 2026

Beijing, May 18 -- Shandong Luzhe Special Equipment Inspection Co Ltd has sought patent for Device for Detecting Inner Wall of Pressure Pipeline. This invention was developed by Liang Xianzhong, Wang Cuixia, Zhang Jianwei, Liu Bin, Wang Chenlong, Zhang Yalin, Wu Jiqing, Nian Yiling, Li Jiasong, Cai Luzhe, Wang Ziping, Ding Mingx..

Hebei Sinuotong Pipe Ind Co Ltd Seeks Patent for Steel Lining Polymer Corrugated Pipe Assembly Structure and Preparation Method

Pipe

| Mon 18 May 2026

Beijing, May 18 -- Hebei Sinuotong Pipe Ind Co Ltd has sought patent for Steel Lining Polymer Corrugated Pipe Assembly Structure and Preparation Method. This invention was developed by Wang Hongzhang. The patent application number is CN202511886794 20251215. The patent publication number is CN121346088 (A). International Pate..

Xuzhou Jiatu Machinery Co Ltd Seeks Patent for Coal Mine Directional Drilling Pull-back Pipe Lowering Process

Pipe

| Mon 18 May 2026

Beijing, May 18 -- Xuzhou Jiatu Machinery Co Ltd has sought patent for Coal Mine Directional Drilling Pull-back Pipe Lowering Process. This invention was developed by Chen Gang, Du Changyou, Sun Haiyang, Sun Zhenwei and Zhang Quanhui. The patent application number is CN202511261938 20250905. The patent publication number is C..

Gao Jinghui Seeks Patent for Heat Supply Gas Pipeline Safety Monitoring System and Method Based on Block Chain Evidence Storage

Pipe

| Mon 18 May 2026

Beijing, May 18 -- Gao Jinghui has sought patent for Heat Supply Gas Pipeline Safety Monitoring System and Method Based on Block Chain Evidence Storage. This invention was developed by Gao Jinghui, Ma Yongqian and Xu Hailin. The patent application number is CN202511400696 20250928. The patent publication number is CN121333649..

Anhui Huayang Electric Heating Mat Co Ltd Seeks Patent for Treatment and Utilization Device for Thermal Insulation Composite Pipe

Pipe

| Sun 17 May 2026

Beijing, May 18 -- Anhui Huayang Electric Heating Mat Co Ltd has sought patent for Treatment and Utilization Device for Thermal Insulation Composite Pipe. This invention was developed by Ji Chengyi and Zhang Xin. The patent application number is CN202511849260 20251209. The patent publication number is CN121340499 (A). Intern..

Zhuhai Chuntian Tech Co Ltd Seeks Patent for Pipe Welding Machine Capable of Being Adjusted in Multi-stage Mode

Pipe

| Sun 17 May 2026

Beijing, May 18 -- Zhuhai Chuntian Tech Co Ltd has sought patent for Pipe Welding Machine Capable of Being Adjusted in Multi-stage Mode. This invention was developed by Jiang Daocheng, Chen Qiyuan and Luo Binghua. The patent application number is CN202511892538 20251216. The patent publication number is CN121339797 (A). Inter..

Foshan Magao Metal Product Co Ltd Seeks Patent for Laser Welding Device for Welding Steel Pipes

Pipe

| Sun 17 May 2026

Beijing, May 18 -- Foshan Magao Metal Product Co Ltd has sought patent for Laser Welding Device for Welding Steel Pipes. This invention was developed by Xin Xing and Zou Xiangwei. The patent application number is CN202511726575 20251124. The patent publication number is CN121339739 (A). International Patent Classification cod..

Ningbo Yusheng Machine Co Ltd Seeks Patent for Manufacturing Method of Pipeline Assembly and Pipeline Assembly

Pipe

| Sun 17 May 2026

Beijing, May 18 -- Ningbo Yusheng Machine Co Ltd has sought patent for Manufacturing Method of Pipeline Assembly and Pipeline Assembly. This invention was developed by Fei Wuyong. The patent application number is CN202511896105 20251216. The patent publication number is CN121339583 (A). International Patent Classification cod..

Univ Xingtai Seeks Patent for Casting Mold for Preparing Foam Metal Sandwich Pipe Composite Structure and Application of Casting Mold

Pipe

| Sun 17 May 2026

Beijing, May 18 -- Univ Xingtai has sought patent for Casting Mold for Preparing Foam Metal Sandwich Pipe Composite Structure and Application of Casting Mold. This invention was developed by Zhang Zan, Wang Zhanzhong, Zhao Chengxin, Bian Chenxiao and Tian Weishuo. The patent application number is CN202511641234 20251111. The ..

Shandong Yaocheng Tech Co Ltd Seeks Patent for Cold Drawing Device for Machining Seamless Steel Pipe and Cold Drawing Method of Cold Drawing Device

Pipe

| Sun 17 May 2026

Beijing, May 18 -- Shandong Yaocheng Tech Co Ltd has sought patent for Cold Drawing Device for Machining Seamless Steel Pipe and Cold Drawing Method of Cold Drawing Device. This invention was developed by Yang Qifeng and Wu Chenggang. The patent application number is CN202511620346 20251106. The patent publication number is C..

Beijing Yingluo Tech Co Ltd Seeks Patent for Blockage Treatment Device for Pulverized Coal Injection Material Pipeline of Srv Furnace

Pipe

| Sun 17 May 2026

Beijing, May 18 -- Beijing Yingluo Tech Co Ltd has sought patent for Blockage Treatment Device for Pulverized Coal Injection Material Pipeline of Srv Furnace. This invention was developed by Xie Longfei, Xie Jinlong, Li Xina, Liang Lifeng, Chang Tonghui and Zheng Xuefeng. The patent application number is CN202511595097 202511..

Yueyang Quyuan Water Supply Co Ltd Seeks Patent for Rural Water Supply Pipe Network Filtering Device

Pipe

| Sun 17 May 2026

Beijing, May 18 -- Yueyang Quyuan Water Supply Co Ltd has sought patent for Rural Water Supply Pipe Network Filtering Device. This invention was developed by He Jianrong, Li Gan, Liu Guangqiang, Li Yupeng and He Jieyang. The patent application number is CN202511224248 20250829. The patent publication number is CN121338421 (A)..

Nengji Weilai Xi'an Environmental Protection Tech Co Ltd Applies for Patent on Primary Air Powder Pipeline Segmented Electromagnetic Heating System for Deep Peak Regulation of Anth..

Pipe

| Mon 18 May 2026

Beijing, May 18 -- Nengji Weilai Xi'an Environmental Protection Tech Co Ltd has applied Chinese patent for Primary Air Powder Pipeline Segmented Electromagnetic Heating System for Deep Peak Regulation of Anthracite Unit. Dai Dawei, Shi Gang and Zhang Hanping developed it. The patent application number is CN202511789620 202512..

Shenzhen Xingguang Lisuo Tech Co Ltd Applies for Patent on Corrugated Pipe Assembly and Industrial Equipment

Pipe

| Mon 18 May 2026

Beijing, May 18 -- Shenzhen Xingguang Lisuo Tech Co Ltd has applied Chinese patent for Corrugated Pipe Assembly and Industrial Equipment. Chen Ye, Hao Baotong and Zhou Nanfan developed it. The patent application number is CN202511922951 20251219. The patent publication number is CN121346105 (A). International Patent Classific..

Hebei Libin General Equipment Co Ltd Applies for Patent on Erosive Wear Resistant Super-strong Metal-ceramic Composite Pipe and Manufacturing Method Thereof

Pipe

| Mon 18 May 2026

Beijing, May 18 -- Hebei Libin General Equipment Co Ltd has applied Chinese patent for Erosive Wear Resistant Super-strong Metal-ceramic Composite Pipe and Manufacturing Method Thereof. Wang Huijun developed it. The patent application number is CN202511360195 20250923. The patent publication number is CN121346085 (A). Interna..

Pengzhuang Coal Mine Of Linyi Mining Group Heze Coal & Electricity Co Ltd Applies for Patent on Reducing Type Pipeline Hoisting Clamp

Pipe

| Mon 18 May 2026

Beijing, May 18 -- Pengzhuang Coal Mine Of Linyi Mining Group Heze Coal & Electricity Co Ltd has applied Chinese patent for Reducing Type Pipeline Hoisting Clamp. Xia Wenying, Yang Zunsheng, Ren Zhenhua, Liu He, Zhang Chuanpeng, Zhang Yuan, Duan Huahou, Wang Qingqiang and Cui Mingfeng developed it. The patent application numb..

Shanghai Tansike Tech Engineering Co Ltd Applies for Patent on Reversing Device and Method for Pneumatic Pulverized Coal Conveying Pipeline

Pipe

| Mon 18 May 2026

Beijing, May 18 -- Shanghai Tansike Tech Engineering Co Ltd has applied Chinese patent for Reversing Device and Method for Pneumatic Pulverized Coal Conveying Pipeline. Ma Junlin, Zhang Tianyu and Chen Gang developed it. The patent application number is CN202511856124 20251210. The patent publication number is CN121341696 (A)..

Sichuan Huaxi No 9 Construction Eng Co Ltd Applies for Patent on Robot for Installing Pipeline in Narrow Space in Factory Building

Pipe

| Sun 17 May 2026

Beijing, May 18 -- Sichuan Huaxi No 9 Construction Eng Co Ltd has applied Chinese patent for Robot for Installing Pipeline in Narrow Space in Factory Building. Wang Pan, Liu Gang, Zhang Guomin, Liu Wenqiang, Liao Yuanzhou, Li Hao, Ren Changming, Zhang Jing, Hu Xiwen, Wang Ying and Yang Jing developed it. The patent applicatio..

Changzhou Huaijian Machinery Equipment Mfg Co Ltd Applies for Patent on Online Pipe Cutting Machine for Cold Rolled Pipe

Pipe

| Sun 17 May 2026

Beijing, May 18 -- Changzhou Huaijian Machinery Equipment Mfg Co Ltd has applied Chinese patent for Online Pipe Cutting Machine for Cold Rolled Pipe. Wu Jian, Wang Jun and Zhao An'an developed it. The patent application number is CN202511755548 20251126. The patent publication number is CN121339550 (A). International Patent C..

Yunnan Yunhai Malleable Cast Iron Co Ltd Applies for Patent on Riveting and Slag Removing Integrated Automatic Equipment for Movable Joint of Pipe Fitting Base and Production Metho..

Pipe

| Sun 17 May 2026

Beijing, May 18 -- Yunnan Yunhai Malleable Cast Iron Co Ltd has applied Chinese patent for Riveting and Slag Removing Integrated Automatic Equipment for Movable Joint of Pipe Fitting Base and Production Method of Riveting and Slag Removing Integrated Automatic Equipment. Zeng Delin and Yang Chengjiang developed it. The patent..

Dan Rob Daniel Kubacki Robert Tomzik Spolka Jawna Files Polish Patent Application for Universal Device for Cutting of Corrugated Pipes

Pipe

| Mon 18 May 2026

Warsaw, May 18 -- Dan Rob Daniel Kubacki Robert Tomzik Spolka Jawna has filed a patent application for Universal Device for Cutting of Corrugated Pipes. This invention was developed by Kubacki Daniel and Tomzik Robert. The patent application number is PL20170420574 20170217. The patent publication number is PL420574 (A1). Int..

Hangzhou Jingyan Tech Co Ltd Files Chinese Patent Application for Inner Pipe Arm Lifting Device Based on Stepping Motor and Ball Screw

Pipe

| Mon 18 May 2026

Beijing, May 18 -- Hangzhou Jingyan Tech Co Ltd has filed a patent application for Inner Pipe Arm Lifting Device Based on Stepping Motor and Ball Screw. This invention was developed by Yan Jun, Wu Chaohong and Wu Zehong. The patent application number is CN202511791872 20251201. The patent publication number is CN121341886 (A)..

Tianjin Jyjc Tech Co Ltd Files Chinese Patent Application for Cable Take-up and Pay-off Device for Pipeline Detector

Pipe

| Mon 18 May 2026

Beijing, May 18 -- Tianjin Jyjc Tech Co Ltd has filed a patent application for Cable Take-up and Pay-off Device for Pipeline Detector. This invention was developed by Cao Shuwei, Liu Jinlu, Han Yongshuai, Zhang Ning and Gao Chao. The patent application number is CN202511895065 20251216. The patent publication number is CN1213..

Hangzhou Jiangrun Tech Co Ltd Files Chinese Patent Application for Restricted Space Anchor Bar Type Bearing Platform Beam Back Pressure Miniature Steel Pipe Reinforcing Pile Founda..

Pipe

| Sun 17 May 2026

Beijing, May 18 -- Hangzhou Jiangrun Tech Co Ltd has filed a patent application for Restricted Space Anchor Bar Type Bearing Platform Beam Back Pressure Miniature Steel Pipe Reinforcing Pile Foundation and Construction Method Thereof. This invention was developed by Wang Xinquan, Diao Hongguo, Chen Yewen, Hong Dongping and Jiang..

Tibet Junwei Ind Co Ltd Files Chinese Patent Application for Composite Pipe Manufacturing Equipment and Manufacturing Process Thereof

Pipe

| Sun 17 May 2026

Beijing, May 18 -- Tibet Junwei Ind Co Ltd has filed a patent application for Composite Pipe Manufacturing Equipment and Manufacturing Process Thereof. This invention was developed by Wang Yue, Liu Jun and Liu Hongwei. The patent application number is CN202511888997 20251215. The patent publication number is CN121340534 (A). ..

Laian Runpeng Metal Products Co Ltd Files Chinese Patent Application for Welded Pipe Polishing Equipment

Pipe

| Sun 17 May 2026

Beijing, May 18 -- Laian Runpeng Metal Products Co Ltd has filed a patent application for Welded Pipe Polishing Equipment. This invention was developed by Liu Meigang and Li Hongfu. The patent application number is CN202511920397 20251218. The patent publication number is CN121340110 (A). International Patent Classification c..

Jiangsu Yize New Mat Co Ltd Files Chinese Patent Application for Concrete Pipeline Framework Welding Device

Pipe

| Sun 17 May 2026

Beijing, May 18 -- Jiangsu Yize New Mat Co Ltd has filed a patent application for Concrete Pipeline Framework Welding Device. This invention was developed by Ren Fu, Li Zhaodi and Song Doudou. The patent application number is CN202510901686 20250701. The patent publication number is CN121339787 (A). International Patent Class..

Shenxian Shenghui Stainless Steel Products Co Ltd Files Chinese Patent Application for Cooling Device and Method for Marine Stainless Steel Pipe Welding

Pipe

| Sun 17 May 2026

Beijing, May 18 -- Shenxian Shenghui Stainless Steel Products Co Ltd has filed a patent application for Cooling Device and Method for Marine Stainless Steel Pipe Welding. This invention was developed by Huang Jisheng, Ma Sai, Guo Jing and Yu Xia. The patent application number is CN202511508340 20251022. The patent publication..

Zhongshinuo Beijing Tech Development Co Ltd Files Chinese Patent Application for HDPE (high-density Polyethylene) Flame-retardant Drain Pipe and Preparation Process Thereof

Pipe

| Sun 17 May 2026

Beijing, May 18 -- Zhongshinuo Beijing Tech Development Co Ltd has filed a patent application for HDPE (high-density Polyethylene) Flame-retardant Drain Pipe and Preparation Process Thereof. This invention was developed by Pu Jiawei, Shao Peiqi, Pu Jing and Pu Ying. The patent application number is CN202511772149 20251128. Th..

Zhangjiagang Qiaosheng Prec Machinery Manufacturing Co Ltd Files Chinese Patent Application for Bending Forming Combined Device for Airplane Oil Way Pipeline

Pipe

| Sun 17 May 2026

Beijing, May 18 -- Zhangjiagang Qiaosheng Prec Machinery Manufacturing Co Ltd has filed a patent application for Bending Forming Combined Device for Airplane Oil Way Pipeline. This invention was developed by Tao Dengfeng and Bao Yongjian. The patent application number is CN202511915528 20251218. The patent publication number ..

Jiangsu Yunneng New Material Tech Co Ltd Files Chinese Patent Application for Concave Type Trapezoidal Internal Thread Aluminum Alloy Pipe and Machining Process Thereof

Pipe

| Sun 17 May 2026

Beijing, May 18 -- Jiangsu Yunneng New Material Tech Co Ltd has filed a patent application for Concave Type Trapezoidal Internal Thread Aluminum Alloy Pipe and Machining Process Thereof. This invention was developed by Xu Xiaodong and Xu Jianlun. The patent application number is CN202511702360 20251119. The patent publication..

Shandong Chuangge Petroleum Tech Co Ltd Files Chinese Patent Application for Pressure Measuring and Monitoring Device for Small-caliber Capillary Steel Pipe

Pipe

| Sun 17 May 2026

Beijing, May 18 -- Shandong Chuangge Petroleum Tech Co Ltd has filed a patent application for Pressure Measuring and Monitoring Device for Small-caliber Capillary Steel Pipe. This invention was developed by Tian Wanguo, Tang Bo, Su Fuwei, Zhang Huiqiang, Chang Qiangbing, Hu Bin, Sun Guangyue, Ba Wenliang and Zhang Haiyan. The..

Zhangjiakou Vocational and Technical College Submits Patent Application for Smart City Gas Pipeline Safety Intelligent Monitoring Method Based on Digital Twinning

Pipe

| Mon 18 May 2026

Beijing, May 18 -- Zhangjiakou Vocational and Technical College has submitted a patent application for Smart City Gas Pipeline Safety Intelligent Monitoring Method Based on Digital Twinning. Liu Junying, Niu Tianxin, Pang Cunliang, Han Lei, Zhang Youhe, Guo Zeng, Chen Yuelong, Zuo Yanyan, Zhang Weixing, Zheng Xi and Zhang Jiaqin..

Shanghai Yijian Installation Eng Co Ltd Submits Patent Application for Three-dimensional Laser Scanning Auxiliary Equipment for Electromechanical Pipeline Installation

Pipe

| Mon 18 May 2026

Beijing, May 18 -- Shanghai Yijian Installation Eng Co Ltd has submitted a patent application for Three-dimensional Laser Scanning Auxiliary Equipment for Electromechanical Pipeline Installation. Xu Peifeng, Wang Hong, Xue Xiaoyan, Li Xingyong and Gao Yubin developed the invention. The patent application number is CN202511791..

Beijing Longkexing Tech Group Co Ltd Submits Patent Application for Pipeline Robot for Maintenance and Detection of Municipal Water Delivery Pipeline

Pipe

| Mon 18 May 2026

Beijing, May 18 -- Beijing Longkexing Tech Group Co Ltd has submitted a patent application for Pipeline Robot for Maintenance and Detection of Municipal Water Delivery Pipeline. Xu Min, Huang Kai, Wang Lu, Rao Mingyu, Li Chenyang, Tong Yiwei, Zhao Yunpeng, Rao Minghao, Wang Peng, Zhao Lei, Liu Dongyu, Zhang Xiaozhong, Wang Pei, ..

Huaneng Hunan Yueyang Power Generation Co Ltd Submits Patent Application for Cable Pipe Sleeve Capable of Preventing Water from Entering Equipment and Working Method of Cable Pipe ..

Pipe

| Mon 18 May 2026

Beijing, May 18 -- Huaneng Hunan Yueyang Power Generation Co Ltd has submitted a patent application for Cable Pipe Sleeve Capable of Preventing Water from Entering Equipment and Working Method of Cable Pipe Sleeve. Zhong Xuwei, Chen Bin, Wang He, Liu Kun, Liu Qingqin, Cai Dongwen, Xu Yang, Long Tao, Deng Jun, Zou Peng, Xu Dong, ..

No. 719 Res Institute China State Shipbuilding Co Ltd Submits Patent Application for Integrated Pressure Protection Double-layer Corrugated Pipe Vibration Reduction Pipe and Using ..

Pipe

| Mon 18 May 2026

Beijing, May 18 -- No. 719 Res Institute China State Shipbuilding Co Ltd has submitted a patent application for Integrated Pressure Protection Double-layer Corrugated Pipe Vibration Reduction Pipe and Using Method Thereof. Chen Hong, Zhang Mangong, Wan Gao, He Tao, Tian Jiabin, Wu Jiafeng, Zhao Zhigao, Huang Yicang, Zhang Anfu, ..

Jiangsu Jietuo Valve Co Ltd Submits Chinese Patent Application for Manual Corrugated Pipe Stop Valve

Pipe

| Mon 18 May 2026

Beijing, May 18 -- Jiangsu Jietuo Valve Co Ltd has submitted a patent application for Manual Corrugated Pipe Stop Valve. This invention was developed by Qi Cheng. The patent application number is CN202511826838 20251205. The patent publication number is CN121346012 (A). International Patent Classification codes are F16K1/32, ..

Yichang Yuneng Precision Tech Co Ltd Submits Chinese Patent Application for Pipe Wall Nondestructive Testing Device for Deep Hole Exploration Pipe

Pipe

| Mon 18 May 2026

Beijing, May 18 -- Yichang Yuneng Precision Tech Co Ltd has submitted a patent application for Pipe Wall Nondestructive Testing Device for Deep Hole Exploration Pipe. This invention was developed by Hu Xiaoting, Li Junjie and Wang Haixia. The patent application number is CN202511883405 20251215. The patent publication number ..

Jiangsu Senhai Pipe Ind Co Ltd Submits Chinese Patent Application for Double-wall Corrugated Pipe Production and Manufacturing Process and Equipment

Pipe

| Sun 17 May 2026

Beijing, May 18 -- Jiangsu Senhai Pipe Ind Co Ltd has submitted a patent application for Double-wall Corrugated Pipe Production and Manufacturing Process and Equipment. This invention was developed by Xu Haifeng, Pei Shulin and Zhou Shuqin. The patent application number is CN202511581887 20251031. The patent publication numbe..

Shenzhen Foreach Tech Co Ltd Submits Patent Application for Device for Cutting Ports of Pipes to be Flush

Pipe

| Sun 17 May 2026

Beijing, May 18 -- Shenzhen Foreach Tech Co Ltd has submitted a patent application for Device for Cutting Ports of Pipes to be Flush. Li Fenpeng, Huang Qinquan, Li Ying, Zhang Shaowei and He Lei developed the invention. The patent application number is CN202511900990 20251216. The patent publication number is CN121340391 (A)...

Xuzhou Shenfeng Prec Machinery Co Ltd Submits Chinese Patent Application for Round Pipe Grabbing Robot

Pipe

| Sun 17 May 2026

Beijing, May 18 -- Xuzhou Shenfeng Prec Machinery Co Ltd has submitted a patent application for Round Pipe Grabbing Robot. This invention was developed by Ding Houbi. The patent application number is CN202511775013 20251128. The patent publication number is CN121340331 (A). International Patent Classification codes are B25J15..

Tangshan Zhengyuan Pipe Ind Co Ltd Submits Chinese Patent Application for Large-diameter Galvanized Steel Pipe Inner Opening Welding Seam Polishing Device

Pipe

| Sun 17 May 2026

Beijing, May 18 -- Tangshan Zhengyuan Pipe Ind Co Ltd has submitted a patent application for Large-diameter Galvanized Steel Pipe Inner Opening Welding Seam Polishing Device. This invention was developed by Liu Zhihong, Cui Zhen, Liu Jiming, Gao Shengtong and Yi Jingtao. The patent application number is CN202511871681 2025121..

Shaanxi Taynt Test Tech Co Ltd Submits Chinese Patent Application for Stripping Device for Outer Anticorrosive Coating of Oil and Gas Field Pipeline

Pipe

| Sun 17 May 2026

Beijing, May 18 -- Shaanxi Taynt Test Tech Co Ltd has submitted a patent application for Stripping Device for Outer Anticorrosive Coating of Oil and Gas Field Pipeline. This invention was developed by Jiang Wenying, Li Qunsheng, Li Desheng, Li Jinrui and Feng Weibo. The patent application number is CN202511694874 20251118. Th..

Beijing Feda Geron Air Separating Technique Ltd Company Submits Chinese Patent Application for Automatic Welding Equipment for Fatigue Pipeline of Pressure Swing Adsorption Equipme..

Pipe

| Sun 17 May 2026

Beijing, May 18 -- Beijing Feda Geron Air Separating Technique Ltd Company has submitted a patent application for Automatic Welding Equipment for Fatigue Pipeline of Pressure Swing Adsorption Equipment. This invention was developed by Li Baocun. The patent application number is CN202511893956 20251216. The patent publication ..

Suzhou Shida Automotive Tech Co Ltd Submits Chinese Patent Application for Automobile Exhaust Pipe Flange Welding Equipment

Pipe

| Sun 17 May 2026

Beijing, May 18 -- Suzhou Shida Automotive Tech Co Ltd has submitted a patent application for Automobile Exhaust Pipe Flange Welding Equipment. This invention was developed by Liu Kailun. The patent application number is CN202511713443 20251120. The patent publication number is CN121339775 (A). International Patent Classifica..

Yantai Oienyi Metal Products Co Ltd Submits Patent Application for Demoulding Auxiliary Device for Casting Engine Air Inlet Pipe Shell

Pipe

| Sun 17 May 2026

Beijing, May 18 -- Yantai Oienyi Metal Products Co Ltd has submitted a patent application for Demoulding Auxiliary Device for Casting Engine Air Inlet Pipe Shell. Tian Geng, Zhao Yanjing, Ma Pengfei, Qiao Haidong, Zang Wenbo and Li Liang developed the invention. The patent application number is CN202511570027 20251030. The pa..

Hangzhou Fuyang Kewei Steel Ind Co Ltd Submits Chinese Patent Application for Heat-resistant Enhanced Hppm Square High-voltage-resistant Electric Corrugated Pipe

Pipe

| Sun 17 May 2026

Beijing, May 18 -- Hangzhou Fuyang Kewei Steel Ind Co Ltd has submitted a patent application for Heat-resistant Enhanced Hppm Square High-voltage-resistant Electric Corrugated Pipe. This invention was developed by Lin Lingling, Yu Guoshen and Li Baihua. The patent application number is CN202511774709 20251128. The patent publ..

Hangzhou Bainuo Electric Power Tech Co Ltd Submits Patent Application for Reinforced and Toughened Plastic Pipe and Preparation Method Thereof

Pipe

| Sun 17 May 2026

Beijing, May 18 -- Hangzhou Bainuo Electric Power Tech Co Ltd has submitted a patent application for Reinforced and Toughened Plastic Pipe and Preparation Method Thereof. Shen Yufu, Wang Lanping, Zhang Qinqin and Chen Hangchao developed the invention. The patent application number is CN202511770853 20251128. The patent public..

Zhejiang Youfumi Valve Co Ltd Submits Chinese Patent Application for Negative-pressure-resistant Enhanced PFA (polyfluoroalkoxy) Lining Pipeline Material and Manufacturing Process ..

Pipe

| Sun 17 May 2026

Beijing, May 18 -- Zhejiang Youfumi Valve Co Ltd has submitted a patent application for Negative-pressure-resistant Enhanced PFA (polyfluoroalkoxy) Lining Pipeline Material and Manufacturing Process Thereof. This invention was developed by Qian Pengcheng, Zhu Weijian, Shao Xiaoqing, Meng Duo and Hu Xiaofeng. The patent applic..

Wanwei Semiconductor Tech Shandong Co Ltd Submits Chinese Patent Application for Adjustable Pipe Bending Equipment

Pipe

| Sun 17 May 2026

Beijing, May 18 -- Wanwei Semiconductor Tech Shandong Co Ltd has submitted a patent application for Adjustable Pipe Bending Equipment. This invention was developed by Zhao Shuang, Wang Shunfa, Ren Guangling and Guo Denggui. The patent application number is CN202511842389 20251209. The patent publication number is CN121339255 ..

Hunan Jingba Pipe Mfg Co Ltd Submits Patent Application for Cold-drawing Grinding and Washing Device for Seamless Steel Pipe Machining

Pipe

| Sun 17 May 2026

Beijing, May 18 -- Hunan Jingba Pipe Mfg Co Ltd has submitted a patent application for Cold-drawing Grinding and Washing Device for Seamless Steel Pipe Machining. Yu Zeli, Xue Zhongbao and Rao Ke developed the invention. The patent application number is CN202511550294 20251028. The patent publication number is CN121339225 (A)..

Xinyi Water Conservancy Bureau Gangtou Water Conservancy Station Submits Chinese Patent Application for Self-propelled Water Conservancy Pipeline Slag Removal Device for Water Cons..

Pipe

| Sun 17 May 2026

Beijing, May 18 -- Xinyi Water Conservancy Bureau Gangtou Water Conservancy Station has submitted a patent application for Self-propelled Water Conservancy Pipeline Slag Removal Device for Water Conservancy Project. This invention was developed by Yang Weijuan, Xu Jian, Zhang Yu, Du Na and Guo Xingyan. The patent application ..

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