Pipe
| Tue 04 Aug 2026
Beijing, Aug. 4 -- China Constr 8th Engineering Division has received a patent for Fire Hose Winding Device. This invention was developed by Zhang Qianjin, Li Meng, Zhou Yunfei, Sun Min, Tang Yijun, Ji Hao, Wang Longhui, Yang Hongliang, Xi Jianjie, Gao Junqiang and Du Zhaozhu.
The patent application number is CN202422431601U 20..