Construction
| Sun 01 Nov 2026
Beijing, Oct. 31 -- Guizhou Hongyang Traffic Construction Eng Co Ltd and Guizhou Road & Bridge Group have applied Chinese patent for Unsymmetrical Pressure Hole Expanding Tunnel Construction Method. Shen Guilin, Wu Dong, Yang Bo, Liu Yong, Jin Junqi, Shi Feng, Ran Yi, Yan Biao, Xiao Qin, Huang Jie, Zhu Zhida, Bai Jianxiong and K..