Transportation
| Sun 25 Oct 2026
Beijing, Oct. 24 -- China Railway 18th Bureau Group, The 5th Eng has obtained a patent for drawing support frame for coiled steel wire. This invention was developed by Bi Shubing, Chen Shida, Gao Lifang, Fan Zhao, Pan Fang, Wang Xuchao, Zhao Zhigang, Wang Yongan, Li Peihui, Zhang Qingguo, Zhang Wenhua, Liang Yuqi, Jia Xiangying,..