... )Standard:GB 5237-2008 3)applicable to all the elevator Aluminum Profile For Material Lifts Part1)Alloy No.:6061,6063...2)Temper ... ,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 guide rail profile ...