Constant tension decoiling, precise edge trimming, low-emission, automated supply and efficient cleaning unit, the world's leading diversified expansion deformation of roll pure tensile unit, cooperate with the AFA plate type detector, effectively solve the plate with plate type defect, provide precise tension leveling, characterized by a high speed, less maintenance, covers an area of small advantages, integral differential gear group, tension control of high precision, constant tension winding, the high material, is widely used for CTP plate, PS plate base