... line is mainly used to produce kinds of door and window profile, clapboards, ceilings, etc.with PVC, PP, ... of PVC powder. It is widely used as window and door profile, as well as decorative material. ... conical twin screw extruder, extrusion die, calibration unit, haul-off unit, film covering machine and stacker. The extruder is ... adopted famous branded products for the calibration unit, pump and haul-off ...