Aluminium pipe, ISO9001/14001, GB certification 1) Item: Aluminium profile.2) Alloy Temper: 6061,6063,6060,6082 T4/T5/T63) Surface Treatment: Mill Finished, Anodized (silver white, matt anodized, champagne, bronze, black), Power Coated, Electrophoresis(silver, bronze, champagne, golden).4) Hardness: Mpa≥160, HV≥58, HW≥8.5) Standard: GB/T5237-2004, GB/T6892-2000.6) Oxide film: AA10, Um10; AA≥15, ...