※ the screw with special mixing function and great capacity of plastification. ※ T-shape die head takes the design of binodal current, making the adjustment of thickness of the board more accurate. ※ Temperature controlling ?1 ℃ can accurately control plastification process, thickness of board and smoothness. ※ The modes of the three-stick calender: horizontal, vertical or inclining angle of 45 ?, can be freely up and down. ※ Thickness control of board: adjusted by the screw or bidirectionally controlled by clamping roller, can accurately control thickness of the board. ※ Separately controlled temperature-controlling system of stick and drum can accurately control temperature of pressing round die so that the board is even. ※ Sheeter makes length and quantity of the board accurate. ※ Furling platform device: with the expert torque motor, it can freely adjust speed and tension. ※ Equipted with automatically meter-measureing appliance, so can set length of the product.