... welcome 4. Light Weight, Durable and Strong, Non-Corrosive Aluminum Extruded CasingWe offer both standard and custom extruded enclosures and ... ,Triangle,Rectangle etc...and Customized shapes are welcome.Materialaluminum alloy 6063, 6061, 5052 Alloy etc. can be optionalFinishingT5Mill finished, Anodized, Electrophoresis, ... We will offer you the best products and reasonable prices. LED aluminum lampshade