Security & Protection
| Fri 30 Jan 2026
Beijing, Jan. 31 -- AVIC Construction Group has submitted a patent application for High-altitude Operation Safety Alarm Method and Device. This invention was developed by Chen Xianrui, Guo Min, Chen Baisong, Wang Lidan, Wang Lingzhi, Zhang Siwei, Li Jiong, Zhang Xueliang, Li Qingbo, Xu Guohui, Li Yunkai, Chen Ya, Li Jian and Men..