Security & Protection
| Fri 02 Jan 2026
Beijing, Jan. 2 -- Tianchen Coal Mine Zaozhuang Mining (Group) has been awarded a patent for Cab Offside Alarm Device. This invention was developed by Wang Yue, Li Ying, Liang Peng, Yang Gang, Shi Baogang, Zhang Ningning, Hao Changzheng, Yuan Chao, Zhou Zhongpeng and Wu Lin.
The patent application number is CN202422622668U 2024..