... sills profile production lines is equipped with conical or parallel twin screw extruder, it can process PVC plastic window profiles, ... service, etc. The production line consists of conical twin screw extruder, calibrating platform, haul-off, cutting machine, lamination ... profiles, which has better performance than the single screw extruder.Main Technical Parameter: TypeYF-240YF-300YF-800YF-1000Profile ...