Transportation
| Thu 25 Jun 2026
Beijing, June 25 -- The Fourth Engineering Co Ltd of China Raiway First Group and China Railway First Group have sought patent for Anchoring Device. This invention was developed by Li Neng, Liu Songlin, Xing Haoqing, Zhang Yonghui, Liu Xunning, Shen Yanfeng, Zhang Kuiqiang, Fu Fan, Zhao Xiaoqiang, Yan Yumin, Huo Zhigang, Ma Xinm..