1.available material:PP, HIPS, GPPS, EVOH, QB515 2.close-circuit control system 3.three rollers sync speed regulation ... wheel to press 3. Convenient operation & high precision 4. Brighter surface of the pressing roller than mirror, 5 ... bright and equal thicknessIII.Main Fittings1.Electric Fittings: Yatai PID Self-adjusting Automatic Temperature Control Meter, SchneiderPushbutton, Selector Switches, ...