... by ourselves,own the die-casting,punching.,etc,machinesMaterial:Zinc Alloy, Stainless Steel, Aluminium, Brass, Steel, Wod, and Plastic, etc...Finishing ... ... are available as per customers' need.We also provide other high quality & fashion trends design hardware such as door handles, door ... & knobs, decorative hardwares and so on. LC - switch panel Zinc Alloy Plate