Metal & Mining
| Mon 21 Sep 2026
Beijing, Sept. 21 -- Tongling Nonferrous Metals Group and Baoji Yonglian Rare Metal Co Ltd have submitted a patent application for Residual Polar Plate Cleaning Device. This invention was developed by Lu Jun, Zhang Tongwei, Ma Yan, Zheng Chunyu, Yu Jiangquan, Xie Jun, Qian Xiang, Huang Jixiang, Zhang Zhiguo, Wu Desheng, Shao Zez..