Security & Protection
| Wed 02 Sep 2026
Beijing, Sept. 2 -- Beijing Golden River Water Resources and Hydropower Construction Group has submitted a patent application for Fan-shaped Ship Lock Self-cleaning System. This invention was developed by Liu Jinlong, Zhou Wenkai, Song Chuang, Wang Yan, Zhang Zheng, Gao Shan, Zhang Xukang, Chen Gang, Yu Jisheng and Yang Feng.
..