... aluminum ISO certificated MOQ:1000 Aluminum cooling fin ,CPU heatsink ,radiator, CNC machining , CNC turning , CNC millingProduction Range:We are ... Shipment Terms/Lead time):TypePrecision CNC machining partMaterials:Aluminum alloy, stainless steel , brassMaterial GradeGB,ASTM,AISI,DIN,BS,JISProcessPrecision CNC ... machining part aluminum cooling fin CPU heatsink aluminum ,aluminum radiator