... 6000 series 3,Finish: Anodize... 4,anodized aluminum tube with round, square,oval, etc Oval aluminum tube1,Anodized Aluminum tube2, ... coating...on the oval aluminum tube.4,Anodized aluminum tube with round, square,oval, etc. Our company is specialized in oval ... produce alloy profile, tubes according to your drawings and samples with different kinds of surface treatment. MaterialAlloy 1050, 1060, 6005, ...