... is well 3. ISO9001 ,SGS 4. MOQ :1000pcs Stamping battery contact with spring Wire Diameter 0.08mm-13mmMaterialStainless steel, carbon ... , alloy spring steel, refractory steel, brass, bronze, etc.Surface Treatment (Finish)Zinc-plated, nickel-plated, chrome-plated, silver-plated, gold-plated, imitation ... asap with offering ur the best price .Thanks! aaa battery contact with nickel plating Bosi-H1120