1.Coal Furnace 2.universal type,use in pharmaceutical chemical foodstuff 3.low price,high effeciency 4.easy operation Principle of workThe furnace is an universal . It can be used with many kinds of dryers.The furnace is widely used for the heating and moisture removing for the grain, seed, feed, fruit, de-watering vegetable, mushroom, edible fungus, tremella, tea, tobacco leaf, other farming ...