Information Technology
| Tue 07 Apr 2026
Beijing, April 8 -- State Intellectual Property Office of China has awarded a patent to Xi'an Rail Transit Group for Portable Telescopic Support Rod Device for Static Maintenance of Pantograph. Shi Pengfei, Shan Lele, Chang Xinyuan, Liu Hai, Zhang Wei, Yang Jiaguo, Liu Baohui, Wang Nengying, Wei Xiaojia, Jiao Bo, Zhu Yongqiang a..