Security & Protection
| Fri 18 Jul 2025
Beijing, July 18 -- Chongqing Water Group Longxing Drainage has received a patent for life buoy rope protection device. This invention was developed by Liu Xiao, Wang Tongkui, Wang Yu, Zeng Yang, Zhou Yang, Zou Rong, Tian Shuang, Sun Haodi, Luo Huanghe, Xie Chuan, Zhao Hong, He Junxiang and Zhang Kaibin.
The patent applicatio..