Pipe
| Sun 17 May 2026
Beijing, May 18 -- Beijing Gas Group has applied Chinese patent for Welding Seam Identifying and Tracking Method and Device for Gas Pipeline. Wu Bo, Jin Qiang, Liu Hui, Zhang Haitao, Ma Xuqing, Yan Xingcui, Xu Wei, Zhang Shenyan, Zhang Haijun, Li Haishan, Zhang Yanqi, Xing Lei, Chen Wenli, Meng Guangli and Yu Hongjiang developed..