all kinds of machined aluminium square tube 1.Material:Aluminum 6063 or 6061 2.Surface treatment:Anodizing high quality aluminium square tube 1 ... Film and the Plastic Wrap package etc.7.Use: industry, decoration, furniture, part of luggage etc8.Color: Silver,Golden,Black,Red, ... are in the same factory to ensure to the good quality and lead time.3).All OEM is welcome. all kinds of high quality aluminium ...