... of surface treatment; 3.Good quality; 4.Excellent Service. machine aluminum profile heat sink Alloy temper : AA6063-T5/T6,6061Finished ... bronze, champagne, gold,etc. Sand Casting : silver, champagne, gold ,etc. Brushing : silver, champagne, gold ,etc.Polishing : silver, champagne, gold ,etc. Powder ... technical drawings, we can extruded according to your designs. machine aluminum profile heat sink