Tools and Machinery
| Wed 26 Aug 2026
Beijing, Aug. 26 -- CCCC Fourth Harbor Engineering has obtained a patent for filter box and cutter suction dredger. This invention was developed by Yang Wenjie, Zhan Yurong, Deng Shangkang, Wang Chao, Huang Wei, Mo Shaohua, Zheng Yuanbin, Liu Jianwei, Long Ming, Ma Zhitao and Zhong Wei.
The patent application number is CN202422..