Cold air dryer is the preferred equipment in the fish drying process, the cold wind, dry food can not only keep the original quality, but also convenient for packing, storage and transportation. We follow international food processing requirements, fully absorbing foreign advanced technology equipment, to research and development of the new concept of cold air drying equipment, its performance index has reached the international leading level of similar products, for the food drying industry provides a new idea of the new generation of drying equipment.