Transportation
| Fri 10 Apr 2026
Beijing, April 10 -- State Intellectual Property Office of China has awarded a patent to Erchu of China Railway Tunnel Group and Shanghai Senying Electric Co Ltd for EC Intelligent Fan Box Structure. Liu Yuanpeng, Li Xiaojun, Wang Xuelei, Wang Yazhao, Sun Nanbing, Li Guojiang, Wang Hongqiang, Zhao Qingrui, Ma Shujie, Chen Zishan..