Enviornmental
| Wed 07 Jan 2026
Beijing, Jan. 8 -- Lanzhou Institute of Technology has submitted a patent application for Water Conservancy Project River Sludge Dewatering Device. This invention was developed by Wang Guojun, Ma Quanjing, Fan Hongde, Liu Yuanjie, Li Hongyun, Zhang Siting, Zhang Zetong, Xu Sheng, Yu Xin, Zhang Yufei, Guo Yukang, Guo Feng, Li Che..