Aluminum Pipes 1.different Aluminum pipe size 2.Round/Oval /Square Tube 3.OD:6mm-200mm 4.Wall thickness:0.5mm- ... finish,anodized,powder coated,wood-grain, electrophoresis , sand balsting Etc Type: square,round, rectangularProcedure:extruding,cutting,coating,packing. Thinkness:above 0.7mm ...