Transportation
| Tue 14 Apr 2026
Beijing, April 14 -- Yinchuan Power Supply Section of China Railway Lanzhou Bureau Group has been granted a patent for Smoke Exhaust Mechanism of Operation Vehicle. Jing Yongfeng, Xue Shengyi, Ma Jianglong, Wang Tiezhu, Wang Wei, Ma Wanyong, Wang Jian, Lin Guang, Wang Yu, Duan Longlong, Zhao Yaqi, Zhao Donghong and Dong Xinyue d..