8 Nylon Zipper Production Line-Long Chain \n\r 14 Nylon Zipper Open End Machinery \n\r 12 Nylon Zipper Closed End Machinery \n\r 9 Invisible Zipper Machinery \n\r 7 Delrin(Plastic) Zipper Production Line-Long Chain \n\r 11 Delrin(Plastic) Zipper Open End Machinery \n\r 5 Delrin(Plastic) Zipper Closed End Machinery \n\r 10 Metal Zipper Production Line-Long Chain \n\r 16 Metal Zipper Open End Machinery \n\r 12 Metal Zipper Closed End Machinery \n\r