Pipe
| Tue 25 Aug 2026
Beijing, Aug. 25 -- Offshore Oil Eng Qingdao Co has applied Chinese patent for High-pressure Pipeline Airtightness Remote Automatic Detection Method. Zuo Fengjian, Zhao Xian, Wang Chaozhong, Yan Yunqiang, Li Xiaobing, Zhao Guangyu, He Dianlong, Wang Chunxu and Wang Dong developed it.
The patent application number is CN2026101..