Tools and Machinery
| Sat 06 Jun 2026
Beijing, June 6 -- Henan Pinggao Electric has submitted a patent application for Large-volume Vacuum Arc-extinguishing Chamber Hoisting Tool. Zhao Fangshuai, Li Xiaozhao, Wei Jianwei, Guo Runtao, Zhang Youpeng, Gu Fengjuan, Liu Gang, Liu Xinyue, Chai Na, Chai Yinghui, Gao Yang, Liu Chang, Xue Congjun, Wang Lili, Zhang Xinguo, Ma..