World Class Quality Heating Coils are Specially Made, in which the inner surface of the fins and Outer Surface of the Heater Tubes are 100% in contact with each other, so that the heat transfer efficiency is at its best to avoid any heat loss. Resulting in very low consumption of steam. Another uniqueness of these coils is, it requires only low-pressure steam to dry the rayon filament yarn or viscose staple fiber. These coils are maintenance free and serve lifelong.