Metal & Mining
| Tue 01 Sep 2026
Alexandria, Sept. 1 -- CCTEG Chongqing Research Institute has submitted a patent application for a Mining Drilling System. Lyu Jinjun, Liu Shuxuan, Tang Min, Liu Xiaohua, Li Shujian, Xin Dezhong, Zhang Bo, Jia Hong, Wang Xing, Zhang Shizhai, Chen Keyu, Pu Jian, Qin Yi, Xiao Yuqing, Yang Lin, Lu Shiping, Wang Qingfeng, Xiao Lihui..