Metal & Mining
| Tue 16 Jun 2026
Beijing, June 16 -- Henan Shenhuo Coal and Electricity has sought patent for Mining Roadway Grouting Anchor Cable Advance Support Method. This invention was developed by Gao Gongli, Li Chuansong, Su Hui, Nie Kaiqiang, Zhu Ke, Liu Yaohai, Yuan Luwen, Qiao Zhiwei, Dai Qian, Chen Qingyu, Sun Lvyuan, Liu Yehe, Sun Yuebin, Wang Lianf..