Lighting
| Wed 24 Jun 2026
Beijing, June 24 -- State Grid Tianjin Electric Power Co, State Grid Corporation of China and Tianjin Street Lamp Man Office have submitted a patent application for Vehicle Operation and Maintenance Management System and Method. Li Meng, Han Zhongliang, Zhang Hao, Chen Xuan, Wang Haiji, Xia Chonggui, Zhang Fuli, Liu Xiaoyuan, Ma..