... :GB 5237-2008 3)high-quality aluminum alloy aluminum extrusion 1)Alloy No.:6061,6063...2 ... Polish 4)Coating Colour:silver, bronze, champagne, black, blue, glod and so on.5)Introduction:We can supply all kinds of aluminum ... profile, aluminum extruded profile, solar energy profile, elevator ... case,or according to customers' need. aluminum profile for doors