... ,Nickel or Chromate plating,Anodize 3.ISO9001:2008 Brass door Hooks Components/Hooks parts Products Manufacture Lock parts according to your requirementMaterialsAluminumAlloysBrassCopperIronBrass ... , Welding, Threading, Grinding, Milling, Machining, Drilling, etc Surface treatment: Polishing, chrome/zinc/nickel plating, power coating, natural anodization, galvanizing, satin, electrophoress ...