China Ductile Iron Pipe Manufacturer orient steel Supplies ISO 2531 Ductile Iron Pipes, DN400, T Type Joint, K9 Class, 6m Length, ISO 4179 and ISO 8179 Coating.
China Black Coating Steel Pipe Manufacturer orient steel provides ASTM A53 GR B Seamless Black Painting Steel Pipes, Schedule STD, 24 Inch, Length 11.8M.