1.Factory in WuXi 2.Finish:ALL finished available 3.OEM Service ... the die-casting,punching.,etc,machinesMaterial:Zinc Alloy, Stainless Steel, Aluminium, Brass, Steel, Wod, and Plastic, etc...Finishing:Chrome Plating, Brush ... & knobs, decorative hardwares and so on. LC - W7 White Painted Aluminium Window Lock