Metal & Mining
| Wed 07 Oct 2026
Beijing, Oct. 7 -- State Intellectual Property Office of China has awarded a patent to Shanxi Hongan Science & Tech Co Ltd and Shanxi Renan Rescue Tech Research Institute for Drainage System for Mine Water Permeation. Jing Kai, Zhang Ze, Meng Yanhua, Wang Hai, Lyu Bin, Shi Jingkai, Zhao Peng, Feng Yuhang, Feng Cuizhen and Li Xin..