Transportation
| Sun 12 Apr 2026
Beijing, April 13 -- Changjiang Zhenjiang Waterway Office has been awarded a patent for Automatic Unhooking Device of Navigation Mark Operation Crane. This invention was developed by Xu Feng, He Guohua, Lin Guang'an, Leng Lefei, Zhou Guiguo, Chen Liang, Liu Yuejun, Wang Xiaofeng, Gao Feng, Ang Chaodong, Li Chenggang, Zhu Hong, D..