Electrical
| Sat 27 Dec 2025
Beijing, Dec. 27 -- State Intellectual Property Office of China has awarded a patent to Tianjin Railway Signal for Testing Equipment of Switch Machine. Yao Hailong, Li Wanglong, Li Bin, Guo Jingui, Son Ji-won, Liu Mingchao, Chen Qiang, Li Linlin, Xue Lidan, Chen Shuo, Jin Lianlian, Li Yan and Zhang Jianhua developed the inventio..