Pipe production line consists of extruder, extrusion mold, vacuum sizing device, haul-off machine, ring cutting machine, flaring machine. The material of the product is PVC, and the diameter of the pipe is from Φ50 to Φ160mm, with good quality and high performance, the host frequency converter and feeding frequency converter adopt ABB frequency converter, and the temperature control meter adopts OMRON temperature control meter. High degree of automation, simple operation.