aluminum profile ,it's made in aluminum alloy ,and the coating by power Aluminum profile It's made in aluminum alloy ,so it's stronger but lighter .The coating was powered ,so it's stable .We can make it in any color which you need ,just by your requirement . long anodizing (Matte anodizing, normally glossy silvery white anodizing, black,golden,champange, bronze ect)shortl anodizing. (all kinds ...