Metal & Mining
| Fri 12 Dec 2025
Beijing, Dec. 12 -- Tech Information Center of Spic Henan Electric Power Co Ltd has filed a patent application for Fire Coal Drying Equipment. This invention was developed by Wang Haiheng, Duan Ziliang, Sun Jinwu, Su Xiaolu, Li Ming, Wang Hui, Dang Guodong, Tian Xiaoyu, Ma Xinyang, Li Guangqi, Qu Dongya, Dong Qiang, He Huan, Wan..