... surface treatment; 3.Good quality; 4.Excellent Service. aluminum extrusion profile heat sink Alloy temper : AA6063-T5/T6,6061,6082-T6Finished:Electronic ... wooden, sapelli,etc.Anodizing : silver, bronze, champagne, gold,etc. Sand Casting : silver, champagne, gold ,etc. Brushing : silver, champagne, gold ,etc ... drawings, we can extruded according to your designs. aluminum extrusion profile heat sink