Tools and Machinery
| Wed 26 Aug 2026
Beijing, Aug. 26 -- State Intellectual Property Office of China has awarded a patent to Wuhan Municipal Construction Group for Open Caisson Bottom Sealing and Water Stopping Structure. Chen Zhen, Zhao Menghao, Zhang Ping, Liu Mingbao, Li Tianxiang, Yu Yonglong, He Wenhai, Huang Bin, Cheng Sirui, He Yifeng, Liu Kai, Shen Qinglong..