... 1.heat source:steam electric far infrared 2.suit for pharmaceutical,chemical,food, ... air furnace, with a wide selection. The whole machine is low in the noise. The operation is ... are easy. The application is wide. The machine can be used for drying various materials and ... fruit piece, sausage, plastics, resin, electric component, baking varnish etc. Explanation of Model The heat source can be ...