Metinjo was founded in 1974 and operates in the area of Special Processes and Nondestructive Testing, in various segments such as: Defense and Aerospace, Oil & Gas, Energy, Electronics, among others. Special Processes: Nital Etch, Chromic Acid Anodizing, Sulfuric Acid Anodizing, Chemical Conversion (Alodine), Passivation, Molybdenum Disulfide, Phosphating, Conventional Cadmium, LHE Cadmium and Painting such as Primer, Polyurethane, Fuel Tank Paint, among others