... long service, etc. The production line consists of conical twin screw extruder, calibrating platform, haul-off, cutting machine, lamination ... products, which are easy to maintenance, when change the screw, barrel and mould, the production line is able to produce ... foamed profiles, which has better performance than the single screw extruder.Main Technical Parameter: TypeYF-240YF-300YF-800YF-1000Profile ...