The capacity of the tumble dryer can be 30kg,50kg, 100kg. 120kg , 150kg and 200kg ,the machine of 200kg is horizontal type and the others are vertical type 　　The working theory of this drying machine is as follows : 　　The heat radiator release heat from the top of the machine , and the induced draft fan induce the heat air from the top to the bottom , while the machine ‘s drum turning and reversing , the wet air was exhaust by the exhaust pipe . meanwhile the material is dried . 　　This machine is consist of stainless steel drum , heat radiator ,welded shell ,motor , induced draft fan ,electricity parts ,and transmission parts . 　　This machine is your good choice for you to dry cotton , lien and other material ,and it is safe and easy to operate and its noisy is also very low