Sand Dredging Machinery, Gold Mining Machinery, Diamond Mining Machinery manufacturer / supplier in China, offering Heavy Duty Sand Extraction Dredger for Inland Waterways, High-Efficiency 2200 M3/Hr Cutter Suction Dredger with Underwater Pump for River and Harbor Dredging Projects, China Durable Portable 1200 M3/Hr Cutter Suction Dredger for River, Lake, and Coastal Engineering and so on.