SJZ series plastic conical twin screw extruder 1.excellent plasticization 2.stable working 3.process PVC,PE,PP plastic Twin Screw Extruder:Packaging & DeliveryPackaging Detail:wooden packingDelivery Detail:30 daysSpecificationsSJZ series plastic conical twin screw extruder 1.excellent plasticization 2.stable working 3.process PVC,PE,PP plasticTwin Screw ExtruderSJSZ series conical twin-screw ...