Precision aluminum extrusion radiator 1.material:aluminum 6063 / 6061 2.surface treatment: as clients' requests 3.best price Heatsink aluminum extrusion radiator 1.material : aluminum 6063-T5 or according to customers' requirements2.surface treatment: electroplate, positive electrode,baking varnish or as clients' requests3.processing procedure: cutting groove, cutting, soda-wash, CNC, Nickel ...