Automobile
| Mon 29 Dec 2025
Beijing, Dec. 30 -- China Constr 8th Engineering Division has been granted a patent for Maintenance Support for Electro-tricycle. This invention was developed by Zhang Qianjin, Li Meng, Zhou Yunfei, Sun Min, Tang Yijun, Wang Longhui, Yang Hongliang, Xi Jianjie, Gao Junqiang and Du Zhaozhu.
The patent application number is CN2..