Construction
| Sat 31 Oct 2026
Beijing, Oct. 30 -- CRRC Shijiazhuang has sought patent for Rail Truck Floor Renovation Maintenance Production Line and Renovation Maintenance Method. This invention was developed by Zhao Yanfei, Zhang Erzheng, Zhang Jianxin, Huo Xiaojie, Cui Guolei, Wang Zhigang, Sun Ruilin, Ren Yunlong, Wei Shaopeng, Kagetomo, Li Xuetao, Bai S..