-Hydraulic sand ship -Sand mud digging vessel -Gold mining equipment ... seif-propelled,cutter suction , bucket wheel dredger.The ship body uses assemble boxes structure.The dredger is equipped ... certain amount vaccumby the centrifugal pump on the ship.The sendiment is cutted by the cutter, the ... so on.D.Installation site:Our experienced installers will arrive at the construction site to guide, teach and ...