good quality, good service, good price, win-win cooperation Aluminum tubeMaterial : 6063, 6061, 6060, 6005 and so on.Surface : mill finishing, anodized, bruch, polish, powder coated, etc.Out diameter : from 8mm-220mmMachine : drill, bend, punch, weld, etc.Packing : exporting package or according to your special requirements. aluminum tube