Metal & Mining
| Wed 12 Feb 2025
Beijing, Feb. 13 -- Jinchuan Group Nickel and Cobalt has secured a patent on pit filling device for mine geological environment governance. Zhang Linlin, Kou Yongyuan, Zheng Xiangdang, Ma Ting, Zhao Juan, Yu Junzhen, Guo Yunlin, Yang Qingwei, Mi Wenman, Wang Lu, Zhao Xiaoyan, Yang Jiaoru, Ma Li and Wang Fuli developed the invent..