Metal & Mining
| Tue 23 Jun 2026
Beijing, June 23 -- China Nonferrous Metals Resources & Env Engineering Co Ltd has filed a patent application for Automatic Ore Sample Sampling Vehicle for Narrow Mine Tunnel. This invention was developed by Zhang Guanghui, Yu Xiao, Liu Peng, Liu Xiaomeng, Chen Xin, Cheng Minghui, Luo Chi, Li Ning, Du Lei, Qi Huanhuan, Geng Jian..