Transportation
| Wed 01 Jul 2026
Beijing, July 1 -- Chongqing Highway Maintenance Eng Group Co Ltd has submitted a patent application for Anti-scouring Experimental Device for Road Semi-rigid Base Material. This invention was developed by Li Yan, Xiong Hui, Gou Xiaobo, Zhang Wei, Wang Jianxia, Zhang Zhengxiang, Wang Zhimei, Duan Yu, Qu Qinghua, Xu Sufang, Huang..