Hunan Standard Steel PipeCo.,Ltdwasfounded in 1989 and our enterprise is the predecessor of branchofChina'soil and gas pipelinescienceresearchinstitute, as the professional manufacturer of steel pipe and pipefittings. Aims to reach more than 10 million tons with an annualsales income of over 30 billion RMB into the rank of 500 top steelenterprises in the world. Withstocked250,000tonsvariousofsteelmaterialin520,000 square meters ware house, So far, we have built afirst-classhotrolled and cold drawnproductionlines for seamless steel pipe,andHFweldingandsubmergedarc welding.The company has been insisting on the standard from authoritativeorganizations such asGB,API,ASTM,DIN,JIS,ISO. And the products are widely applied to many industries such aspetroleum industry, chemical engineering, medicine, paperplant,shipbuildingindustry,provisions, nuclear power, and ammunition industry. Also, we haverewardedISO9001:2008,SGS,BV,RINA,ISO14001:2004andetc, which guaranteed the good quality of ourproduct.