... High efficiency. 4. 20 years experience. Newest hot sale nice Rotary dryer price machine Rotary Dryer Description: Drier is a cylinder ... used in building materials, metallurgy, chemical plant, cement plant for drying of limestone slag, coal powder, slag, clay stone ... and granule material, such as lightweight calcium carbonate, Floridian, magnetic particle, graphite, and dregs of a decoction, the drying ...