1. Jet suction sand dredger is applied for inland waterways, lakes and coastal areas where sand layer is soft for dredging work. 2. The high pressure water jet will break the sand layer first, then sand pump will suck up the solids and discharge then onshore or to the transportation boat. 3. Customized according to dredging depth, working capacity and discharge distance. 4. Main diesel engine provides power to sand dredging pump and auxiliary diesel electricity generator supplies electricity to high pressure water pump, winches and lighting system. http://www.yldredge.com