PVC Profile Extrusion Line 1.PVC powder. 2 professional design 3 precision process 4 sales-service-spare parts-servey PVC Profile Extrusion LineThe PVC ceiling ... control system, conical twin screw extruder, extrusion die, calibration unit, haul-off unit, film covering machine and stacker. The extruder ... wood plastic profilemachine in stock, factory visiting welcome// ////// PVC Profile Extrusion Line