Metal & Mining
| Fri 31 Jul 2026
Beijing, Aug. 1 -- Changchun Gold Design Institute Co Ltd has submitted a patent application for Shunting Method for Returning Nelson Gravity Separation Tailings to Spiral Classifier. Zhang Jinpeng, Lyu Xiaoyu, Tao Nan, Gao Jinchang, Zhang Yonggui, Li Hongxin, Jing Weihe, Chu Zhigang, Zhao Jianwei, Zhang Qian, Hu Nan, Wang Yanhu..