Electrical
| Sun 26 Apr 2026
Beijing, April 27 -- Henan Pinggao Electric has filed a patent application for Automatic Grinding and Polishing Device and Method for Conductor Surface. This invention was developed by Wei Chaoyang, Li Kai, Wang Bin, Xu Zhongxun, Miao Xiaojun, Si Xiaochuang, Niu Xiye, Qu Xin, Wang Hongchao, Chen Siyuan, Jia Mengzhe, Chen Lifang,..