Metal & Mining
| Fri 22 May 2026
Beijing, May 22 -- Zhaoyuan Zhaojin Jinhe Tech Co Ltd and Yantai Gold College have applied Chinese patent for Oxygen-enriched Side-blown Refining Equipment for Metal Copper. Qin Chunbin, Wang Xiuting, Li Shaopeng, Wang Jianzheng, Yin Shuni, Wang Can, Liu Junwei, Yang Guowei, Xu Liang, Wang Feng, Li Jianbo, Li Jie, Song Lei, Liu ..