Features 1.equipped with pneumatic knife slitting and razor slitting,4-shafts automatic shafts rewinding and continuous operating to improve working efficiency 2. Speed stepless adjustable by frequency converting,quipped with 3-sections counter that can automatically slow down and stop the machine from high speed 3. Pneumatic control of unwinding tension rewinding tension controlled by independent sliding device of rewinding shaft that can adjust tension easily 4. Equipped with arc stretchingroller for effective streching of materials 5.Auto labeling system