HSSG made by three 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&＃039;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-36 inch W.T 1.25mm to 50mm, (2) ERW/LSAW/DSAW OD 1/2inch-52inch W.T 1.65mm to 25mm (3) SAW/SSAW 219mm to 3120mm .W.T 3mm to 25mm We have our own professional QC department, shipping company and trucking company , can always give the first-rate logistics and quality control services to you. It is my pleasure to offer news to you regular. We sincerely hope to establish well cooperation relations with you esteemed company, .We sure of that we can provide the lowest price and best quality in all over China, We believe that our products can help you open the market .Awaiting for your valuable orders..