Guan Mountain Machinery Co., Ltd. in Qingzhou is a manufacturer of stone washing machines, stone washing equipment, and other stone washing machinery, including vibration stone washers and drum stone washers. Since its establishment, the company has evolved into an integrated manufacturer encompassing research and development, mechanical design, production, installation, and after-sales service. Our main products include sand mining vessels, sand extraction vessels, gold panning equipment, large-scale dredging and sand (mud) extraction vessels with绞刀, dump trucks for sand transportation, large, medium, and small iron sand extraction vessels, dual-purpose land and water automatic excavation vessels, water and dry sand selection iron sand extraction systems, sand screening machines, auger sand washing machines, stone washing machines, and sand mountain crushing and cleaning machines, among others, offering over 80 specifications for customer selection. We also design and manufacture customized products based on the geographical environment of the customer. Our sand mining machinery simultaneously completes a series of processes including screening, extraction, separation, cleaning, and classification, producing qualified products in one go.