... ~48/20Main parts: SHJ series twin screw extruder host machine, SJ series single screw extruder host machine, oil lubrication system, soft water circulation ... stage extruder,double stage extruder,single screw extruder,double screw extruder,two screw extruder,twin screw extruder,plastic machine,pelletizer,plastic extruder SHJS series Two Stage Plastic Extruder/plastic extrusion machine/plastic machine