... (aluminum profile , rods, angles, square bars , "T" profiles, and "U" channel5)Surface finish:mill finish,powder coated,anodized,electrophoresis ... we can.10)Excellent mechanical property. Good sealing effect and water-proof. Strong toughness. 11)Up to 20,000 ... Finish: Mill finished, anodized,powder coated,polished,brushed,sand blasted,electrophoresis and so onColor: Silver,bronze,black,gold,blue,grey ...