... ,straw, rice husk2.Heating source can be firewood,coal,charcoal,or electicity3.Installationit type:estraight line or bend ... high technology,Reliability,Precision4.unique design,and advanced heating mode by firewood,oil and electricity. sawdust dryer machine Operating principle ... the heat,then got dry materials.Noted:flammable and explosive materials prohibited to crushing sawdust dryer machine ...