Our spec include All-Shape Tube And Pipe, erw, saw, round, triangle, hex etc. 1) Dimension: 9 ... ").3) Available types: Galvanized machine pipe, seamless pipe, stainless steel tube, tent hollow structure, petroleum pipe, automobile parts, scaffolding, furniture shelf ... with our professional information, top quality products, best price, and efficient services. All details, please contact our engineer MR ...