1,Material:aluminum 2,surface fininsh : Anodic oxidation of primary colors and black, engraving fonts 3,ROHS products Product nameMobile phone metal partsMaterials ... :C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200(CuZn37), C28000(CuZn40)4. Bronze: C51000, C52100, C54400, etc5. Iron: 1213, 12L14,12156. Aluminum ...