... , brass, Surface treatments::zinc Plate High Precision Battery Contact with Zinc Plated : 1.battery contact are usually made from samples or ... to your customer configurations. 5.Surface Treatments of battery contact: Zinc Plating,Chrome Plating,Nickel Plating,etc ... manufacture who specialize in specision metal stamping parts where like battery contact, shielding case , ,shrapnle ,mould , deep drawing ...