About company Sand sale Mining Our address Development of flooded fields Development of sand and sand deposits Development of flooded fields Development of flooded fields . The company develops watered sand and sand and gravel deposits. ... The main mining equipment is a non-self-propelled floating dredger. Existing development technologies make it possible to extract minerals with minimal losses. The development of deposits by dredgers makes it possible to improve the quality of the extracted raw materials due to the technology of natural enrichment. As a result, sand and sand and sand mixtures with higher indices in terms of the size modulus, filtration coefficient, and the absence of organic impurities (silt, clay, vegetation layer) are delivered to the product warehouse. As a consequence, these products have a higher market value. Design, construction and operation of dredgers for specific conditions of hydraulic production . Contract works for the hydraulic extraction of sand. Development of flooded fields Dorstroisintez LLC Creation, ordering sites : megagroup