li>Works with various types and sizes of metal such as stainless steel, aluminum, cast and wrought iron, brass and bronze, using various methods such as gas metal arc welding (MIG), gas tungsten arc welding (TIG), shielded metal arc welding (SMAC), flux core arc welding (FCAW). Martinrea is a diversified global automotive supplier engaged in the design, development and manufacturing of metal parts, assemblies and modules, complex fluid management systems and aluminum products.