SJ30/25 PE/PVC Corrugated Pipe Extrusion Line SJ45/25 PE/PVC Corrugated Pipe Extrusion Line(42 pairs of moulds) SJ65/25 PE/PVC Corrugated Pipe Extrusion Line(59 pairs of moulds) SJ90/25 PE/PVC Corrugated Pipe Extrusion Line(59 pairs of moulds) WOODEN BOX