... and black, engraving fonts 3,ROHS products Product nameMobile phone metal partsMaterials Available1. Stainless Steel: SS201, SS303, ... ), C37700 ( HPb59), C38500( HPb58), C27200(CuZn37), C28000(CuZn40)4. Bronze: C51000, C52100, C54400, etc5. Iron: 1213, 12L14 ... Apply to electrical appliances, electronic products, medical equipment, new energy sources, automobile, motorcycle, bicycle, electronic toys, ...