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HSSG made by three factories which can produce SMLS,ERW,SSAW,LSAW steel pipe to meet your requirements.All of the products we are supplying can reach the international standard like: ASTM, JIS, DIN, EN, API, BS , Our co***ny'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...
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