... colors and black, engraving fonts 3,ROHS products Product nameMobile phone metal partsMaterials Available1. Stainless Steel: SS201, SS303, SS304, SS316, SS416 ... ), C27200(CuZn37), C28000(CuZn40)4. Bronze: C51000, C52100, C54400, etc5. Iron: 1213, 12L14,12156. Aluminum: Al6061, Al60637.OEM according to your ...