As one of general drying equipments, double-door food dryer machine also adopts hot air circulation with high temperature resistant axial flow fan and automatic temperature control system. Most hot air is circled inside the oven, and the drying process in hot air drying machine is high heat efficiency and energy saving. Characterized by successful design and the application of advanced technology, hot air dryer machine with double-door is widely used in pharmaceutical, chemical, food, light industry, heavy industry and heat curing, drying dehydration of product and etc..