... nickel plating or chrome plating,phosphating,Black anodization etc5) Parts are produced according to customers' drawing or sampleItem Namecustom precision high quality ... iron, copper, aluminium ,carbon steel, etcFinishzinc plated steel, natural color or as per your requirementWeight50gMOQ1000PCPacking ... manufactures guarantee world standard quality , so our products have a solid reputation both at home ...