aluminum pipe 1.Material:6063,6061,T5/T6 2.Mill finish,anodized,powder coating 3.Cut,punch,drill,tap 4.ISO9001, ... above 220mm5. Wall Thickness: 0.7-28mm6. Hardness: 8-15° 7. Finish: Mill finished, anodized,powder coated,polished,brushed,sand blasted 8 ... and is valid for the following period: 2012/08/15 --- 2013/08/15 All the information below may covers both Gold Supplier ...