Conical Twin Screw Extruder,PVC pipe extruder, Plastic profile extruder,pvc profile extruder, Plastic extruder Conical Twin Screw Extruder,PVC pipe extruder, Plastic profile extruder,pvc profile extruder, Plastic extruderFeatures and application: ... controller, vacuum exhausting device,suitable mould and downstream auxiliary machine, you can directly produce plasticpipes, plates, profiles and ...