... .Extruder,plastic machine . PVC Pipe production lin pvc tube extrusion machinery. plastic pipe line . Extrusion line Extruder. plastic machine . Pipe production ... , the production efficiency is high. With special device, it can produce inner wall spiral pipe, inner wall hollow pipe, and core ... layer bulpo pipe, etc, it can also produce PP, PE, ABS, & PPR, PEX, silicon core pipe and pipe ...