... made of aluminum alloy 1.Aluminum heatsink 2.Material:AL6063/6061 3.ISO,RoHS 4.OEM/ODM AVCooling extruded heatsink made of aluminum alloyBrandAVCoolingModelAVCA3866Material ... painting,polishing,electrophoress,plating ect10. Different dimensions according to the client's request11.Customized and tailored order are welcome12. ... : www.avcooling.com AVCooling stacking fins heatsink made of aluminum alloy