... N00T rice grain dryer was made up improve raw grain system, cleaning system, Drying tower, Grain unloading device, flat belt conveyor, ... valve,therm thermostat,air compressor, hot air system, cooling system,dust removing system, Computer Control System,etc.(see the drying ling Process Map), ... -color Steel plateAir pollution are very seriousSingle-class 4 High Efficiency Rice Dryer with best price