Engineering
| Fri 29 Sep 2023
Beijing, Sept. 29 -- Hong Shengwei has filed a patent application for perpendicularity detection device for civil engineering. This invention was developed by Hong Shengwei, Qi Yonghui, Hong Weina, Yan Haili, Dong Yingjing, Kong Hui, Qin Lihui, Liu Junxin, Huang Qingkui, Ding Haihang, Li Yanhui, Li Biao, Xu Zhibin and Li Xiaopan..