... 4.OEM accepted PC heatsink(radiator) with Cold forging progressDetails:Name: PC heatsink (radiator)Thermal structure: cold forging process, one structureMaterial: pure ... Samples or AutoCAD drawings are preferred9. Different kinds of finish available,like anodized,power coating,painting,polishing,electrophoress,plating ... upon request www.avcooling.com PC heatsink(radiator) with Cold forging progress