... 1 year guarantee PVC Single wall corrugated pipe making machine: designed and developed by A-ONE MACHINERY can ... This corrugated pipe making machine mainly contains Extruder, Corrugated Forming Machine, Mold Blocks, Cooling Equipment, Counting Machine and Winding Machine. It can ... speed and efficiency.Corrugator: Close structure. Mold blocks Through the gear transmission, Mold plate has water flowing ...