... : aluminum alloy6063/6061 2.Finish:mill,anodize.eletro-coating,etr 3.Custom service aluminum profileSpecifications 1.extrusion, all kinds of surface ... ,Black,Red,Blue,or as requiredLength≤6mShapeRound,Square,T-slot,or as per the drawings and samplesFabricationcutting,drilling,punching,bending,etcWall thickness ... details freely. heat-insulated aluminum profile thermal-break profile for window and door