through the gear driving module, the template string water cooling, the product air cooling, makes the corrugated pipe formation at a high speed, with even ripple shape and consistent joint and smooth outer wall, and it is specially suitable for the top class vehicle's wiring harness. The line shall be used to produce small diameter single wall corrugated pipe in PVC, PP and PE raw material. The pipe is widely used as the prestress casting pipe, air-condition and washing machine drain pipe, dust collector pipe and vent-pipe etc.; the corrugated pipe with smooth inside and outside surface and even corrugations is molded at one time by corresponding mould. The new product is developed by our R&D professionals, and it has excellent performance, high-speed production and good appearance.