Detailed Product Description Heat sink:1.materialmetal,stainless steel ,aluminum,etc2.process:stamping3.precision machining :CNC lather,milling ,drilling,grinding,etc.4.surface treatment: chrome plating,sandblasting,painting,anodizing,powder coating,electrophoresis.5.can produce your OEM logo on product 6.Provide moulding,injection service7. OEM is available.