Metal & Mining
| Wed 29 Jul 2026
Beijing, July 29 -- CRRC Qiqihar Rolling Stock has submitted a patent application for Wagon Welding Center Plate and Automatic Welding System and Method. This invention was developed by Fang Xue, Meng Fanyi, Jiang Fuyuan, Qiu Qiyu, Liu Huibo, Chen Ruina, Li Jingyang, Meng Xin, Huang Junhui, Ge Yunlong, Guo Yuyu, Huang Fenglong a..