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Ansteel follows the development trend of national petroleum pipe construction in the R&D of pipeline steel and implements research and development and establishes cooperative development mode with pipe plant based on its own characteristics in equipment.Ansteel already has cooperation with many pipe plants, designs technical index for plate according to the requirements of pipe and drives the pipeline steel to the market in a better way. The pipeline steel product in Ansteel includes land line pipe steel for crude oil, refined oil products, natural gas and LNG,hot-and cold-bending elbow, fittings,station steel, low temperature LNG steel, submarine pipeline steel, corrosion-resistant pipeline steel, high-strength and deformation-resistant pipeline steel coil and plate series products, which are used in more than 30 landmark pipe projects at home and abroad, such as West-East natural gas transmission, delivering the gas from Sichuan to the east and  Shanjing lines. Ansteel already supplied more than 5mt steels and has become a domestic manufacturer with the most complete type and specifications and highest technology level in oil and gas transmission steel.