Transportation
| Fri 23 Oct 2026
Beijing, Oct. 23 -- Xi'an Siyuan Tieke Railway Engineering Tech Co Ltd and China Railway Xi'an Group Co Ltd have received a patent for Crack Slotting Device. This invention was developed by Jang Eun Hwa, Du Siqi, Kang Zhenjie, Li Peng, Chang Ruiqing, Rao Bo, Wang Wenhao, Jiang Kai, Sun Shenqi, Sun Jinjin, Sun Chunyu, Zhou Ziwei,..