... /H 4.CE and ISO9001:2008 Production Name: wpc extruder SJZ series conical double-screw plastic extruders are special ... various PVC pipes,profiles,sheets,plates,bars and granulation.wpc extruder has below advantages:1. Low shearing rate, uneasy ... conical twin screw extruder,mould,vacuum calibration table,haul-off,cutter,stacker. Main Technical Parameter of wpc extruder ModelSJZ45/90SJZ51/105SJZ55/ ...