Pipe
| Thu 13 Aug 2026
Beijing, Aug. 13 -- Shenyang Hengtian Weiye Pipeline Tech Co Ltd has been granted a patent for Petroleum Pipeline Cathode Protection Grounding Mechanism. Sun Lei, Wang Xuewen, Hao Pengliang, Li Shanghang, Wang Jinjin, Chen Su, Zhang Yong, Sun Xilin, Zhang Shiqi and Zhou Jianhua developed the invention.
The patent application ..