... making machinery, single wall corrugated pipe making machinery, double wall corrugated pipe making machinery, pp corrugated pipe making ... 2SRL-Z200/500 Mixer group 1set3SJSZ45/100 Conical Double-Screw Extruder1set4BW-1 Corrugator1set5Corrugated modules:Φ16,20,25, ... moulds:Φ16,20,25,32mm4pcs7ZJF100Automatic feeder1set8Double Disk Winder1set9SGK Semi-automatic Plastic Pipe Broaching Machine1set