Aluminum product aluminum extrusion aluminum extrusion profile heat sink aluminum radiator die-cast radiator heat sink part 1) Material: aluminum 2) Surface color:varies color available:black, silver, champagne,blue ,golden,red rose......... 3) Able to produce parts with external diameters between 2 and 700mm with tolerance of +/-0.02mm.4) Parts can be supplied according to customers' drawings or samples.5) Minimum Order quantity: comply with customers demand.6) Competitive price, High quality and quick delivery.Thermal spreading in good condition,successful case, Please do not to contact me my mail,msn,skype,phone for more details.