Hunan Shinestar Steel Group(Hunan Great Steel Pipe CO.,ltd), one of the leading manufactuer and exporter of steel pipes in China with  the strength of seamless pipes, hollow sections: round, square, rectangular pipes ,ERW,LSAW,SAW/SSAW with good quality and pretty competitive price.All of the products we are supplying can reach the international standard like: ASTM, JIS, DIN, EN, API, BS .Our company's production is carried out in accordance with TS EN ISO 9001:2000, API5 L, ISO 14001:2004 and ISO9001,SGS Integrated Management(quality) Systems. Production in our facilities is also realized in accordance with the international standards such as TS, DIN, AWWA, ASTM, BS, UNI, JIS, GOST, ANSI, ISO.