Construction
| Wed 30 Sep 2026
Beijing, Sept. 30 -- Chinese Patent for Post-disaster Blasting Cleaning and Charging Structure for Tunnel Portal has been issued to Unit 96911 of PLA. This invention was developed by Feng Huiping, Zheng Jijing, Qin Xiangjun, Wu Hongxiao, Yang Yi, Fu Tong, Guo Wei, Shi Kai, Su Hui, Liu Jianfeng, Shen Chen, Jiang Binglin, Li Yan, ..