The door and windows profile is made of PVC powder. It is widely used as window and door profile, as well as decorative material. With modern technology and optimized design, it has the property of high output capacity, long life and plastic evently. This line includes conical twin screw extruder, vacuum calibration table, haul-off unit, saw and stacking unit, etc. The key part, such as DC/AC frequency regulator is adopted world famous brand. The saw is controlled by PLC system. All parts are with high quality.