Sand Dredging Machinery, Gold Mining Machinery, Diamond Mining Machinery manufacturer / supplier in China, offering Customizable-Depth Diesel - Powered High - Capacity Cutter Suction Dredger for Construction Industries, High-Efficiency Dredger with Engine and Gearbox for Sand Mining, River Dredging, and Construction, Modular and Efficient Dredger with Custom Pump and Gear System for Diverse Tasks and so on.