Metal & Mining
| Thu 16 Jul 2026
Beijing, July 17 -- Chalco Ruimin has submitted a patent application for Dual-mode Multi-stage Molten Aluminum Filtering and Purifying Method. This invention was developed by Li Jianhui, Wu Jianxin, Zhang Yi, Lin Xin, Chen Yongfei, Huang Maoquan, Peng Fengjing, Guo Yuxuan, Xie Qicheng, Tian Jinfeng, Lin Guoquan, Chen Peihan, Tan..