... pipe extruding device, corrugated pipe extrusion device, corrugated pipe production device, pvc corrugated pipe extruder device, pvc corrugated pipe extruding device, pvc corrugated pipe extrusion device, pvc corrugated pipe ... Double-Screw Extruder1set4BW-1 Corrugator1set5Corrugated modules:Φ16,20,25,32mm4pcs6Corrugated moulds:Φ16,20,25,32mm4pcs7ZJF100Automatic feeder1set8Double Disk Winder1set9SGK ...