Construction
| Tue 23 Jun 2026
Beijing, June 23 -- Sun Xianglong has sought patent for Excavation Process for Cross Tunnel with Same Size and Large Cross Section. This invention was developed by Zhu Chaoke, Yin Shaohua, Wang Shaopeng, Zhou He, Hao Jinwei, Zhang Chao, Liu Yuhan, Yang Kaiming, Tang Yong, Han Yue, Yu Jiongjiong, Sun Xianglong, Tian Guangbin, Che..