Tools and Machinery
| Tue 03 Feb 2026
Beijing, Feb. 3 -- CRRC Meishan has filed a patent application for Railway Wagon Side Frame Lifting Lug Drilling Device. This invention was developed by Zou Jianmei, Yu Zhiqing, Yao Yi, Zhang Qingliang, Xiao Junming, Zhong Zhiyong, Li Yong, Kang Haijun, Deng Yi, Li Li, Wu Yuchuan, Li Rongwei and Dong Xinjie.
The patent applic..