Aluminum Profile For Material Lifts Part 1)Material:aluminum alloy 2)Standard:GB 5237-2008 ... 3)applicable to all the elevator Aluminum Profile For Material Lifts Part 1)Alloy No.:6061,6063... 2)Temper:T3-T8 ... guide rail profile, radiate heat profile, pipeline profile, auto window frames profile,window and door profile, decoration profile, mechanical special shaped profile ...