Construction
| Tue 30 Jun 2026
Beijing, June 30 -- Xingtai Road & Bridge Construction Group has submitted a patent application for Safety Device for Tunnel Construction. This invention was developed by Zhao Junpo, Liu Zhe, Cao Zhengchuan, Han Shide, Cui Yuansheng, Wei Yunfei, Ma Jixin, Xue Jing, Zhang Xiaohong, Cui Pengchao, Qi Kun, Wu Junmin, Wang Saihang, H..