Coil SA (also Coil NV) is a Belgium-based company specializing in aluminum anodizing treatment. Anodizing is an electrochemical process that transforms the surface of the aluminum into a homogeneous regular film that protects the metal, reinforces its functional qualities, and gives it improved corrosion resistance. Anodized aluminum is used in the construction, transportation, automotive, electronics, architecture, decoration, technology and other markets. The Company operates four production plants in Belgium, Germany and the United Kingdom, it has several production lines, such as continuous coil lines and batch anodizing lines.