Aluminium heat sink Material:AL6063-T5,CU1100 Color:anodized any color! Techinic differ ... heat think, combined heat sink,die casted heat sink.2.Material can be: aluminium, copper ,copper and aluminium conbined3.Size ... the provision of electroplating, anodizing, powder coating, painting, electrophoresis , sandblasting, wire drawing, polishing, screen printing, cleaning and other appropriate surface ...