Pipe
| Thu 28 Sep 2023
Beijing, Sept. 29 -- Sichuan Lineng Combustion Gas Eng Design, Chengdu Sanwei Tech and Sichuan Zhongze Petroleum Tech have submitted a patent application for method and kit for insulating steel pipeline. Chen Mo, Tian Zhijin, Wang Fei, Li Li, Cao Yong, Gao Ning, Li Denghui, Hu Li, Xu Dongyun, Huang Changjun, Deng Lei, Li Yiran a..