alloy roller Aluminum 1)Material:aluminum alloy 2)No roller axis of aluminum - black 3)Standard: GB5237-2008 Alloy Roller Aluminum1)Alloy No.:6061, ... :silver, bronze, champagne, black, blue, glod and so on.5)Introduction:We can supply all kinds of aluminum profile, aluminum extruded profile, solar ... , string, woden case,or according to customers' need. alloy roller Aluminum