Twin conical screw extruder is used in plasticizing,extruding and forming Products:PVC pipes, plates,sheets,film,profile PVC Pipe Extruder/Plastic Pipe Extruder/twin conical screw extruder ... / Double screw extruder/ Extrudering machineFeatures:1)It is composed of barrel screw,gear transmission system,measurable feeding,vacuum deserating,heating,cooling and ...