Tools and Machinery
| Thu 04 Dec 2025
Beijing, Dec. 5 -- Chinese Patent for Hydraulic Control Collapse Mechanism has been issued to Zhejiang Dafeng Industry. This invention was developed by Liu Qingjun, Wang Yanku, Liu Zhen, Ding Yongqiang, Liu Xiaoyin, Zhang Zhao, Pan Shibi, Wang Fuyuan, Wang Ting, Xu Xiao and Wei Zhiqiang.
The patent application number is CN202..