HSSG made by five factories which can produce SMLS, ERW, SSAW, LSAW steel pipe to meet the your requirements. All of the products we are supplying can reach the international standard like: ASTM, JIS, DIN, EN, API, BS, it is attractive and impressive. We believe that we can help each other for sharing the sources and become more competitive in the business. 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. The range of our products are (1) SMLS: OD 1/4 inch-30inch W. T 1.25mm to 50mm, (2) ERW/LSAW/DSAW OD 1/2inch-52inch