This series plastic pipe production line is mainly used in the manufacture of the plastic PVC pipes with various tube diameters and wall thickness in the aspects such as the agricultural and constructional plumbing, cable laying etc. Thin set is composed of the conical twin-screw extruder, vacuum forming table, cutter, stirring up rack etc. This series extruder and the extractor adopt the imported DC frequency conversion speed covering device. The vacuum pump and the electric vehicle motor employ the superior goods. It may choose the saw blade cutting type or planet cutting type. It's additionally attached with measuring apparatus and the intensifying device. The unit is of the reliable performance and high production efficiency.