Double-wall corrugated pipes detail use purpose
PP PE PVC PA SINGLE WALL DOUBLE WALL CORRUGATED PIPE MACHINE, PVC PP PE CORRUGATED PIPE EXTRUSION MACHINE, PP PE CORRUGATED PIPE EXTRUDER, PE PP PA PVC SINGLE WALL DOUBLE WALL CORRUGATED PIPE EXTRUSION MACHINE, SINGLE WALL ELECTRIC CORRUGATED PIPE MACHINE, DOUBLE WALL WATER CORRUGATED PIPE EXTRUSION MACHINE