Tianjin Shuangjie Steel Pipe Co., Ltd
Your reliable ERW steel pipe supplier
The company's main products are ordinary welded pipe, line pipe, structural steel pipe, rectangular steel pipe, galvanized steel pipe, plastic coated epoxy resin composite water supply pipe, etc. The annual production capacity can reach 700,000 tons. Products are widely used in oil, natural gas, fire, water, gas and other pressure pipelines and oil wells as well as energy, transportation, chemical, machinery, irrigation, construction and other fields.
◆ In March 1997, obtained ISO9001 international quality system certification.
◆ In February 2001, obtained the American Petroleum Institute API 5L product certification.
◆ In March 2008, obtained two product certifications from American Petroleum Institute API 5L and 5CT.
◆ In August 2007, obtained the A2 pressure pipe component manufacturing license.
◆ In September 2009,obtained the A1 pressure pipe component manufacturing license
◆ In February 2009, obtained EU CE PED certification
◆ In July 2012, obtained EU CE CPD certification
◆ In May 2012, obtained the Korean Standards Association KS F 4602 product certification.
◆ In May 2012, obtained the Korean Standards Association KS D 3507 product certification.
◆ In May 2012, obtained the Korean Standards Association KS D 3562 product certification.
◆ In December 2013, the company obtained the JIS product certification from the Ministry of Industry of Japan.
Add: East Railway, North Yinhe Bridge, Beichen District, Tianjin, China
Tel: +86-155 1087 0308