... 6000 series / 7000 series 3.surface: powder coated,anodized Aluminum Pipe1.Aluminum Pipe ApplicationTent,desk,window,chair,machine and so ... on2.Aluminum Pipe SizeRound,spuare,oval and ... to the customized shape.3.Aluminum Pipe Material6xxx,7xxx and so on4.Aluminum Pipe Surface TreatmentCoated,anodized,embossed,other5. ...