... Production Name: wpc extruder SJZ series conical double-screw plastic extruders are special equipments which can extrude ... degradation,plasticization uniform and agglomeration2. Reliable quality ,wide application range and long servicing life.3. Automatic temperature control ... line include ,Plastic powder charger,SJZ conical twin screw extruder,mould,vacuum calibration table,haul-off,cutter,stacker ...