Transportation
| Wed 26 Aug 2026
Beijing, Aug. 26 -- Tonghua Steel has been granted a patent for Quick Dismounting and Mounting Device for Air Filter of Internal Combustion Locomotive. Liu Yongjun, Sui Zhijie, Ge Zhenpeng, Wu Hao, Li Dehai, Wang Yongxin, Yu Enpeng, Gu Feng, Liu Xiangjiang, Wang Zongbao, Cho Yung-doug, Li Haitao and Shen Yanbo developed the inve..