Metal & Mining
| Thu 12 Feb 2026
Beijing, Feb. 13 -- Huaibei Mining has filed a patent application for Mining U-shaped Support Auxiliary Device. This invention was developed by Zhu Lezhang, Wang Kai, Wang Duochun, Liu Tong, He Dengyun, Zhang Hao, Huang Beihai, Li Yingzhou, Hong Bo, Ma Peng, Cao Xiaoxiao, Zhu Cheng, Wang Chuanfeng and Liu Cheng.
The patent ap..