... . Size: It's according to customer's drawing.5. Technic is stamping6. Finish: Tin plated steel, mild steel, Nickel plating ... 7. Use to: Electronical products Note:>>Our scope of product: All kinds of sheet metal part, battery contact, terminal, metal shrapnel ... running ,we would like to provide formal material certificate showing chemical compositions and property,also if you need ,we can provide ...