30 Tons Circulating Batch Type Rice Grain Dryer Machine For Sale 30 Tons Flexible and efficient heat source Multiple heat supply is available. To minimize the environment burden, this machine is adopt the technology of low temperature fully drying, and the technology of maximum heat change Even blend, circular drying Maxium air volume and low temperature drying technology is introduced to this machine (the air temp is around 40-60C) To minimize the broken rate, and to ensure