Aluminum housing LED heat sink extrusion 1.Material:AL6063-T5.6061,6060 2.Surface:Anodized ... CNC machining,bonding,Sand blasting,buffering,anodizing,painting and assembling with the total quality management,to supply the high quality customized ... heat sinks for you.Used for:Heat sink, decoration,refrigeration equipment, electronic equipment frame, production line table, ...