Metal & Mining
| Sat 07 Nov 2026
Beijing, Nov. 6 -- State Grid Henan Electric Power Co Xinan County Power Supply Co has submitted a patent application for Adjustable Cross Arm Suitable for High-voltage Iron Tower. This invention was developed by Dang Chaofeng, Fan Yi, Zhang Longfei, Jia Minghui, Song Dan, Chen Yahui, Lyu Chenyuan, Wang Meiyin, Guo Ya, Fu Rong, ..