... : C51000, C52100, C54400, etc5. Iron: 1213, 12L14,12156. Aluminum: Al6061, Al60637.OEM according to your requestProducts Availablebolts, screws, nuts ... (pinions, wheels ) bearing, bearing seat, spring, connector, socket, bushing, push-button, etc.Surface Finishannealing, natural anodization, heat treatment, polishing ... air transportation or as requiredCertificateISO9001:2008 OEM aluminum stamping part