... the air is circled inside the oven, with high hot efficiency, and the energy can be saved.2. ... dry materials evenly. 3. Heat source can be steam, hot water, electricity, far infrared, having a wide choice. 4 ... goods.3. Various choice of heating resources: coal, wood, gas, electric can be used, choose as you ... !About my personal card: contact me freely! Hot selling!! bakery equipment from China low price