Metal & Mining
| Wed 01 Apr 2026
Beijing, April 1 -- Sinoma Lithium Film Yibin Co Ltd has submitted a patent application for Cutting Device for Ultrathin Diaphragm Casting Piece. This invention was developed by Tao Youshun, Dong Haoyu, Wang Yunfa, Du Gang, Liang Guofei, Sun Wei, Xu Lizhi, Yang Chuan, Zheng Guoqiang, Liu Bin and Yang Cai.
The patent applicati..