Security & Protection
| Fri 24 Apr 2026
Beijing, April 24 -- Zibo Power Supply Co State Grid Shandong Electric Power has submitted a patent application for Universal Intelligent Lock. This invention was developed by Feng Zhongkui, Zhu Xiaohui, Jiang Peng, Sun Shixuan, Zhang Zhenpeng, Sun Zhihao, Zhang Yanzi, Liu Zhihua, Li Shukang, Zhang Zhe, Wang Shihao, Zan Hao, Gao..