Construction
| Wed 20 May 2026
Beijing, May 20 -- Sichuan Gangjian Water Conservancy And Hydropower Eng Co Ltd has submitted a patent application for Construction Method for Tunnel Soft Stratum. This invention was developed by Zhang Jun, Sun Mi, Zhang Yange, Tang Xiao, Zhang Chengming, Chen Yong, Li Bin, Zhang Heng, Yang Hui, Chen Xiaoxiao, Yu Yong, Cao Bin, ..