Have ever been exported to Iran with total quanity of 320KM for one contract during 2009, 2010. Specification: Diameter: DN38-600 Pressure: PN35-250 Standard length: 9m, 11.8m Execute standard, API Character: Excellent high corrosion and water resistance, heat preservation, little liquid-flow properties of medium. Excellent insulate property, no re-pollution and so on.
