A leading seamless tubing manfuacturer and supplier in China since 2001, ISO9001 certified. We supply quality tubes according to ASTM A106, A179, A213, A519 and DIN17175, DIN2391 etc, annual output reaches 60,000 tons. Tubing sizes are from O.D.19mm to 168mm, Wall thicknesses are from 1.0mm to 12mm. We are looking for reliable partners all over the world. For detailed information, pls visit www.sj-dingyuan.com

Tel: +86 510 3231334   Fax: +86 510 3231514