... PVC Profile Production Line 4.Single Screw Plastic Extruder Machine [ Newly Design Single Screw PVC Profile Production Line ... great extent,make sure the quality of extrusion.extend of ... production of electric wire, cable, washing machine soak and drain pipes, dust collectors, vent pipes, car lines, cable sleeve pipes ... PVC-U core foaming pipe units, high-speed PVC hard pipe units, profiled bar units, PVC ...