Retail & Household
| Sun 01 Nov 2026
Beijing, Oct. 31 -- Guizhou Power Grid has submitted a patent application for Bearing Mechanism and Transfer Trolley. This invention was developed by Wen Jinyu, Zhong Shuzhen, Song Xiusheng, Liu Canyu, Wang Feihong, Su Jianfeng, Wu Chongchong, Wu Yuting, Wang Chao, Yuan Sheng, Yang Shuaishuai, Zhang Lixin, Gao Maoyuan, Yang Feng..