Shandong Yongsheng Dredging Machinery Co., Ltd. is located in Qingzhou City, Shandong Province, with convenient transportation. We are a manufacturer specializing in customizing and producing cutter suction dredgers, grass cutters, cleaning boats, sand pumping boats, sand dredging boats, sludge suction boats, water platforms, water collection boats, water pump boats, water-level lifting platforms, offshore lifting platforms, sludge suction boats, fecal suction boats, sludge pumping boats, fec...