Sand Dredging Machinery, Gold Mining Machinery, Diamond Mining Machinery manufacturer / supplier in China, offering 1200m3/Hr Efficient Dredger with Engine and Gearbox for Mining, Sand Extraction, and Dredging Projects, Diesel-Operated Sand Suction Dredger with Adjustable Flow for Mining and Channel Cleaning, Sand Extraction Cutter Suction Dredger with High Pumping Capacity and so on.