Sand Dredging Machinery, Gold Mining Machinery, Diamond Mining Machinery manufacturer / supplier in China, offering Diesel-Operated 2200 M3/Hr Sand Suction Dredger with Adjustable Flow for Mining and Channel Cleaning, Suction Dredger with Best Price for River Sand and Silt Removal, Julong-Brand 3500-4000m3/Hr Cutter Suction Dredger for Reclamation, Mining, and Eco-Friendly Projects and so on.