1.utilizes the hot air medium, makes hot air continuously contact with wet materials to emit the moisture and heat from them, and dry them through vaporization and evaporation of the moisture.

2.The product has durable structure, and intakes air in layers. The hot air has strong penetration capacity, and the machine has high efficiency and fast dewatering.

3.used for primary drying, refining drying.  for  black tea , green tea, herbs, and other farm by products.