... alloy, with good heat radiation, max width 700mm, anodizing, sand blasting, polished and mill finish etc. welded. Aluminium heat sinks/exchanger ... 1, Material: 6 series alloy 2, Size: all sections satisfied, ... coated, Chromating, Electrophoretic coated etc. 5, Application: Heat sinks/exchanger, decoration, electronic equipment frame, power wind ...