Security & Protection
| Wed 12 Aug 2026
Beijing, Aug. 12 -- Suizhou Power Supply Co Hubei Province Electric Power Co State Grid Cooperation has sought patent for Elevator Emergency Control Device. This invention was developed by Wan Yinong, He Kai, Zhu Houyi, Peng Cheng, Wang Zhiyi, Jin Zitong, Zeng Yishi, Pan Yun, Hu Yuxuan, Yu Xiangyang, Long Yan, Luo Kaiwen and Li ..