... high precision 3) Professional manufacturer 4) With ISO900 Car wheels NO. ItemsProduction Capability1NameCar wheels2MaterialAluminum – 6061, 2024, 7075 etc ... cutting steel, cold heading steel, cold rolled steel, alloy steel, bearing steel, stainless iron, stainless steel; ductile ... cutting steel, cold heading steel, cold rolled steel, alloy steel, bearing steel, stainless iron, stainless steel; ductile ...