... PVC Large Diameter(CE) 1.PARTS:composed of the conical twin-screw extruder,vacuum forming table,dragger etc Production Line for PVC ... Diameter(CE)1.Process:PVC2.PARTS:composed of the conical twin-screw extruder, vacuum forming table, dragger, cutter, stirring up rack ... laying etc. (1) Thin set is composed of the conical twin-screw extruder, vacuum forming table, dragger, cutter, stirring up rack etc ...