... engraving fonts 3,ROHS products Product name MP4 computer headset aluminum shell Materials Available1. Stainless Steel: SS201, SS303, SS304, ... : C51000, C52100, C54400, etc5. Iron: 1213, 12L14,12156. Aluminum: Al6061, Al60637.OEM according to your requestProducts Availablebolts, screws, nuts ... . We have ample experience and own top technology level in the industry with wide high-end customers network ...