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　　Qingzhou Zhongbeixin Heavy Industry Machinery Co., Ltd. is located in one of the ancient jiuzhou, Qingzhou city, Shandong province, is a professional production and manufacturing company integrating scientific research and development, mechanical design, production, installation and commissioning services in sand making and dredging machinery industry. Our main products are: Dredger, massive dredging sediment (mud) ship, sand washing machine, desalination of the sand production line, sand making machine, sand making production line, sand-excavating ship, take large junk, self-unloading vessel, large iron ore extraction medium and small iron powder, automatic dryland water amphibious dredger ship, water concentration, choose dry sand, iron ore extraction, sieve machine mixing dragon sand washing machine, stone washing machine, sand hill of 16 big series more than eighty specifications, such as washing machine And according to the user's geographical environment design and manufacture special-shaped products, our company's sand making and dredging machinery at the same time to complete screening, extraction, separation, cleaning, classification and other procedures, a one-time production of qualified products.