1.pump sand and mud 2.wear-resistant,high efficiency 3. energy-saving 4. long operating life Detailed Product Description1. Advanced hydraulic model design, wear-resistant ,high efficiency and obvious energy-saving2. Large dredging depth, high density of dredging mud, good NPSH and strong suction lift ability3 Strong through-put. wide application. It can be used in various kinds of soil quality.4 ...