Single Wall Corrugated Pipe Production Line Quick extrusion speed High degree of automation PVC/LDPE/HDPE pipe extrusion single wall corrugated pipe production lineThe ... consists of SJ series single screw extruder, nolder of corrugated pipe, molds of tyre, wind cooling unit, counter and ... PVC, PP, EVA, PA, LDPE and HDPE thermoplastic corrugated pipes. Single Wall Corrugated Pipe Production Line