... ,paper ZTM-D PLC Controlled High Speed Slitting and Rewinding MachineUses: The machine applies to cellophane, PET, OPP, CPP, PE, PS, ... that ‘s pressure in center by pneumatic) ; With automatic tension compensation system, so that rewinding tension is steady , ... pressure unit : The machine is equipped with two sets of pneumatic pressure automatic lifting sticks, tension automatic control by computer. 5 ...