... working 3.process PVC,PE,PP plastic Twin Screw Extruder:Packaging & DeliveryPackaging Detail:wooden packingDelivery Detail:30 daysSpecificationsSJZ ... conical twin-screw plastics extrusion machine is an efficient mixing rubber, extrusion equipment, with shear rate is small, material ... control, vacuum exhaust, screw core barrel of oil cold, cold or oil cooling have cooled two, and realize stepless ...