Qian'an Shi Jintang Ductile Iron Pipes Co. Ltd. was established in 2000 and our company is the first one that produced mechnical flexible joint centrifugal ductile cast iron pipes. Our company offers high-quality pipes and services for running water and gas branches.The main specifications are from DN80mm to DN800mm. Our production capacity is 90,000 tons and our products conform to ISO2531, BSEN545, ISO4179, ISO8179 and GB13295 standards and have attained ISO9001:2000.Our products sell well in Gas and Water projects in china, the Middle East and Europe and received customers' extensive welcome and favorable comments. Standard: Ductile iron pipes ISO2531:1998/BSEN545, Socket and spigot ends with flexible push on joints Class K9, internal lining of cement mortar in accordance with ISO4179:1985 and external coating of zinc in accordance with ISO8179:1995 with a finishing layer of bituminous coating. Effective length: 6 meters or 5.7 meters for container ...[More]ading.