Transportation
| Mon 02 Mar 2026
Beijing, March 3 -- Northeast Branch Of China Railway Major Bridge Eng Group Co Ltd has sought patent for Bridge Concrete for Extremely Cold Areas. This invention was developed by Li Anmi, Yin Lihui, Zhou Qing, Liu Huan, Liang Jingrui, Zhai Jun, Zhang Zhiyong, Cao Yandong, Qi Hongyan, Wang Shuo, Sun Da and Mei Zhiquan.
The pa..