... , numerical control 2.Adjustable parameters 3.High stability 4.Changable mold TYM-210M Auto Metal Zipper Gapping and Stripping machineAverage Output: 1500pcs ... . The products we can offer: nylon zipper machines, plastic zipper machines, metal zipper machines, invisible zipper machines, zip machine, zipper machine, zipper machinery, zippers, sliders, pulls, ect ...