... screw extruder,two screw extruder,twin screw extruder,plastic machine,pelletizer,plastic extrudergearbox,alloy bush,various barrel,electric control system,core ... separator,feeder,hopper,air-cooling belt conveyor,eccentric pelletizer,centrifugal dehydrator,underwater pelletizer,water-ring pelletizer,gear,heater,screen changer system If any questions ...