It is widely used in pharmaceutical food, chemical industry etc. Which baked and dehumidified to material. Its work principle is that used steam or electric heating air, then made a cycling dry with heated air. There are even dry and lower discrepancy of temperature difference in the each side of even. In the dry course of supplying continuously flesh air and discharging hot air so that the even might be in good condition and kept proper temperature and humidity.

It is suitable for heating and solidification, drying and dehydration of raw materials in pharmaceutical industry, chemical industry, foodstuff industry, agricultural and sideline products, aquatic products, light industry, heavy industry and so on. The raw materials can be medicines of raw materials, Chinese traditional medicines, tablet of drink, immersed electuary, powder, granule, packing bottle, pigment, dyestuff, dehydration vegetable, dried fruit and melons, banger, plastic resin, electric elements, drying varnish and so on.