Qingzhou Zhongbei Xìn Heavy Industry Machinery Co., Ltd. is located in Qingzhou City, Shandong Province, one of the ancient Nine Provinces, and is a comprehensive production and manufacturing company specializing in the research and development, mechanical design, production, installation, and debugging services for sand-making and sand-extraction machinery.Our main products include: dredgers, large-scale sediment and sand suction vessels, sand washing machines, seawater desalination production lines, sand-making machines, sand production lines, sand dredging vessels, sand suction vessels, dump trucks for transportation, large, medium, and small iron powder extraction vessels, dual-purpose automatic挖掘 ships for dry and wet land, water selection, dry selection, iron sand extraction, sand screening auger washing machines, stone washing machines, and sand mountain crushing and cleaning machines, among others, with over 80 specifications. We also design and manufact...