... Standard:GB 5237-2008 3)high-quality aluminum alloy Mechanical Special Shaped Aluminum Profile 1)Alloy No.:6061,6063... 2 ... 5)Introduction:We can supply all kinds of aluminum profile, aluminum extruded profile, solar energy profile, elevator guide rail ... and door profile, decoration profile, mechanical special shaped profile, special shaped scraper profile, curtain wall profile, building roofing ...