... Aluminum Alloy Profile 1.High quality 6*** alloy 2.Anodized,powder coated,eletropharesis,polish,etc 3.Various color option GuangDong Grandshine Construction Material Co.,Ltd ... layer formed in the air,week corrosion resistanceAnodizingThrough an eletrical process to form a certain layer ... champagne,bronze,dark,golden,etcEletropharesisBase on anodized process,an extra transparent film is formed to make ...