Transportation
| Sat 05 Jul 2025
Beijing, July 5 -- Xi'an Railway Engineering of China Railway 7th Group has obtained a patent for intelligent construction site gate device. This invention was developed by Guo Yongtao, Liu Xin, Zhang Yanlin, Wu Li, Zhang Yang, Zhang Yafei, Wu Xiaochao, Lei Xingguo, Lu Zhenhua, Li Peiyu, Zhang Chengjun, Lu Lusi, Dai Yukai, Xue W..