Construction
| Fri 19 Jun 2026
Beijing, June 20 -- Qingdao Municipal Engineering Design Institute has submitted a patent application for Combined Control Facility for Pedestrian Crossing. This invention was developed by Li Fubao, Lu Tao, Zhang Chao, Ma Guanglin, Wang Qin, Fu Hao, Gao Feng, Qiu Yang, Zou Shuguo, Zhang Xingbo, Zhu Guodong, Ju Hao, Jiang Bin, Xi..