aluminum tubes 1.Alloy Temper: 6063-T5 / T6, 6061 2.Production Standard: GB5237-2004, 3.Commonly used for industry. 4.Surface Treatment: Mill finish, Anodized, Powder coating, Electrophoresis etc. 5.Length: Less than 6 M. 6.Size and Weight: Extruding according to our customers' drawings or samples. 7.Packing: ordinary kraft paper, separated three parts by kraft paper or as customers required. 8.For more information, you are welcome to our website and also welcome to China to visit us . 9.If our line of business matches your needs or you have drawings needed, please feel free to call or write us . We would be most happy to assist you in any way we can