Metal & Mining
| Wed 23 Sep 2026
Beijing, Sept. 23 -- PowerChina Roadbridge Group and Sinohydro Bureau 14 have been granted a patent for Welding Gauge with Welding Slag Treatment Function. Zhao Guojun, Liu Huan, Ling Yuan, Fu Jianbin, Li Li, Wang Jianping, Wang Qi, Chen Ping, Jin Huaiqing, Yang Yanming, Zhao Haibo, Huang Shiding, Chen Xiangyu, Zhang Zhenwang an..