Tianjin Shuangjie Steel Pipe Co., Ltd. Is located in Beichen District, Tianjin. It is adjacent to Beichen Economic Development Area, 50 km to Tianjin Port, with special railroad connecting the plant area, which is 270,000 square meters.

Since the establishment of our company in 1978, by adopting advanced equipment, relying on sci-tech progress and strengthening quality management, we now have a total of five High-frequency welding lines forΦ45、Φ60、Φ114、Φ325、Φ630 pipes and three hot galvanizing lines. Size of our round pipes range from  DN21 mm to DN630 mm.   The side length of  square structural pipe ranges from180X180~500 X 500mm , side length of rectangular structural pipe ranges from 220 X 140~600 X 400mm. We also have a inner epoxy coating line for making composite pipes for water supply., which size ranges from DN 21 mm to DN 168 mm.

As the High-frequency welded pipe is the leading product of our company, we always adhere to the principle of “quality first” and gain such honorary title as “National Excellent Product”, “Famous Brand of Tianjin”. Our welded pipes are widely used in the key projects in China and are sold in more than 20 countries and regions, such as the USA, Canada, the Gulf Regions, Australia and Hong Kong. We have become one of the leading exporters of welded pipes in China.

  Relying on 30 years of manufacturing experience and the excellent quality of our products, we endeavor to make a world class products and are making progress in  such fields as natural gas, petroleum, mechanical and construction engineering, and have become a highly competitive company in the industry of pipe welding.

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  BS 1387 HDG steel pipe

  SHUANGJIE
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  API 5L X42 PSL1

  SHUANGJIE
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  API 5L X52 PSL1

  SHUANGJIE
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  ASTM A252 GR3 Pipe piling

  SHUANGJIE
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  GI pipe with red coating

  SHUANGJIE
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  API 5L GR B ERW black steel pipe

  SHUANGJIE
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  ERW steel pipe with oil

  SHUANGJIE
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  ASTM A53 GR B GI Pipe

  SHUANGJIE
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  JIS STK400 Varnish coating steel pipe

  SHUANGJIE
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  Grooved steel pipe

  SHUANGJIE
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  Threading steel pipe

  SHUANGJIE
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  Rivet steel pipe

  SHUANGJIE
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  JIS STK500 Hot dipped galvanized steel pipe

  SHUANGJIE
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  ASTM A53 GR B Black coating steel pipe

  SHUANGJIE
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  EN10255 Hot dipped galvanized steel pipe

  SHUANGJIE
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  AS/NZS 1163 C350L0

  SHUANGJIE

• Famous Brand Products
• China Famous Brand