... environemental machine 4.high quality 5.ISO, CE picture of High Efficiency Rotary Dryer description of High Efficiency Rotary Dryer High Efficiency Rotary Dryer: 1 ... industrial drying slag cement limestone, coal, slag, clay and other materials. 2.The aircraft mainly by the ... a reasonable structure, well-produced, high yield, and low consumption, the advantages of operating convenience. 4.Dryer capacity ...