... high ,Using computer-controlled, man-machine conversation interface operation2)Efficiency, energy saving, environmental protection, and drying grain quality, low cost. ... of raw grain upgrading, cleaning cleaning, drying tower, unloading device, flat belt conveyor, pneumatic gate, thermostats, air compressors, hot air ... Single 1 workerClass Single 4 workers corn dryer machineJL-NOOT(energy-efficient)