Plastic door and window profile production line PVC powder used to create all kinds of plastic door and window profile, aluminum-plastic composite profile, shaped porous cable threading pipe, decorative profiles, wainscoting, ceilings, etc...Rational design of this unit, with Plasticating uniform shear rate in small, high output, long life etc. The unit by the conical twin-screw extruder, vacuum stereotypes Units, traction machine, cutting machine viscous modulus, composed of inverted Rack. Host use of AC variable frequency drag, temperature control instrumentation. Contactor. Auxiliary vacuum pump and traction motors are quality products, maintenance is simple. Replacement screw and die, you can direct extrusion foam profile.