... 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 according to the customized shape.3.Aluminum Pipe Material6xxx,7xxx ... and so on4.Aluminum Pipe Surface TreatmentCoated,anodized,embossed,other5 ...