Special material aluminum From high-quality aluminum production, the tensile strength to achieve the national standard ... Treatment:1,Powder Coating 2,Anodize 3,Electrophoresis 4,Mill Finish 5,Wood Grain 6,Flourocarbon Coating 7,PVDF Coating 8, ... Polish4)Coating Colour:silver, bronze, champagne, black, blue, glod and so on. Special material aluminum