1.Auto batching and packing 2.Adhesive mortar,plaster mortar,masonry mortar, ground floor mortar etc 3.lower cost to use Detailed Product DescriptionEnergy efficient greensand drying equipment1:three-cylinder dryer is composed of three concentric cylinders with different diameters. The three cylinder dryer can make full use of the waste heat, reduce the heat loss, and enlarge the heat exchange ...