... design and requested quantityprecision sheet metal parts,Stamping Parts,customized precision sheet metal stamping parts DimensionAccording to customer's drawing. ... C54400, etc5. Iron: 1213, 12L14,12156. Aluminum: Al6061, Al60637.OEM according to your requestProducts Availablebolts, screws, nuts, rivets, stem nuts ... could make all metalworks according to your requirement OEM metal stamping part