... hot effeciency increased to 70%.The successful design of circle oven make the hot air circle oven ... FeaturesIt is suitable for heating and solidfication, drying and dehydration of raw materials in phamaceutical industry, chemical industry, foodstuff ... Chinese taditional medicine,tablet of drink, immersed electuary, powder, granule, packing bottle, pigment, dyestuff, dehydration vegetable, dtied fruit ...