Tools and Machinery
| Fri 20 Mar 2026
Beijing, March 20 -- Ningbo Chuanjingyu Mechanical Technology Development has submitted a patent application for Train Steel Rail Repairing Milling Cutter, Tool Changing System and Using Method of Tool Changing System. Bai Guihua, Mei Pinquan, Yuan Guobin, Ren Yuanping, Ren Lu, Yang Xianlin, Wang Hao, Chen Zhifeng, Chen Wei and ..