... ,7xxx 3.surface:coated,anodized,embossed,other Aluminum Pipe1.Aluminum Pipe Applicationtent,desk,window,chair,machine and so on2.Aluminum ... Pipe Sizeround,spuare,oval and according to the customer demand shape. ... 3.Aluminum Pipe Material6xxx,7xxx and so on4.Aluminum Surface treatmentcoated,anodized,embossed ...