... oil lubrication system, soft water circulation system, vacuum system, hydraulic screen changer and die, cool-cutting pelletizer, water tank, ... electric cabinet etc.Option auxiliary machines: side feeder (or two stage side feeder), spiral conveyor, high speed mixer, ... double stage extruder,single screw extruder,double screw extruder,two screw extruder,twin screw extruder,plastic machine,pelletizer, ...