... Rectangle Shell/ Case/ HousingSize: Flexible SizeSurface Treatment: Anodized, Power Coating, Sandblasting, Polishing, Grinding, Painting, Screen printing, Tumbling ... use for the cover of Switching Power Supply, # AC/DC Adapters, #Uninterupted Power Supply, # PC Power Suply, # Lighting Transformaer ... provide?~~With over 8 years of "Know-How" experience in aluminum products design and development, ...