... anodizing 3)Our capacity:melting,tooling,extrusion,CNC precision machining & finishing Aluminum Heatsink with balck anodizing and CNC ... high-precison machining,aluminium radiator, alumnium machining parts,aluminium profile with black anodizing,aluminium ... & extrusion cost (USD 700~950 per ton)3.machining(to be subject the detailed product,contact us for details ...