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 3)Surface Treatment:1,Powder Coating 2,Anodize 3,Electrophoresis 4,Mill Finish 5,Wood Grain 6,Flourocarbon Coating 7,PVDF Coating 8,Polish 4)Coating Colour:silver, bronze, champagne, black, blue ...