Measurement & Testing
| Tue 18 Nov 2025
Beijing, Nov. 18 -- Henan Pinggao Electric has submitted a patent application for Vacuum Arc-extinguishing Chamber Test Operation Device. Zhang Yongqiang, Gao Boyuan, Li Shibiao, Huang Kunpeng, Zhao Ping, Li Dandan, Yin Dongyang, Liu Jun, Duan Qichao, Li Shiya, Lyu Hao, Kang Liutao, Wang Cong, Du Liuqing, Li Yiming, Liu Ninghua,..