Transportation
| Wed 04 Feb 2026
Beijing, Feb. 4 -- China Railway Changan Heavy Ind Co Ltd has sought patent for New Energy Equipment Energy Efficiency Evaluation Method. This invention was developed by Liu Chao, Zhai Chaojie, Lu Pan, Gao Bo, Wang Tianlong, Li Qian, Xu Shunli, Chen Xinhui, Zhang Weigang, Ren Yanli, Li Weixin, Guo Zichao, Hou Ameng and Yang Ying..