Steel
| Fri 08 May 2026
Beijing, May 8 -- State Intellectual Property Office of China has released CCCC Tunnel Engineering Company patent application for Steel Box Girder Hoisting and Mounting Device. This invention was developed by Yu Xin, Fan Jicheng, Qu Hongliang, Zhao Jiangfeng, Zhang Hugui, Hu Huitao, Xue Lei, Wang Guangbao, Wang Chuanda, Wu Xiao,..