Metal & Mining
| Fri 13 Feb 2026
Beijing, Feb. 14 -- Yunnan Diqing Mining Dev Co Ltd and Yunnan Copper Co Ltd have submitted a patent application for Normal-temperature Flotation Separation Method for Antimony-tungsten Paragenic Ore. Zhao Yingliang, Du Jianwu, Sun Lyu, Zhang Yaowu, Li Fuhua, Bi Guangxiang, Zhou Zhipeng, Yang Hong'an, Xu Yanhua, Liu Fengze, Zhan..