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Highlighted Companies

  • Eagle Eyes China Inspection Company (China): Eagle Eyes (CHINA) Quality Inspection Co.,Ltd. is a professional Third Party China Inspection company, offering...
  • Api Spec 5l 46th X70 Seamless Line Steel Pipetube 3pe Oilfield - China

    price: contact company for price

    Minimum yield strength: 483Mpa Characteristics: Ultra high strength steel grade, requiring advanced production processes (such as thermomechanical controlled rolling); High welding process requirements, requiring preheating and strict post weld inspection Application: Ultra high pressure gas pipelines (such as the "Siberian Power" China Russia pipeline); Pipelines in polar or earthquake active areas (requiring high resilience) Advantages: Significantly reduce pipeline weight and improve transportation efficiency Zorun Steel is a trusted API 5L pipe manufacturer offering high-quality API 5L Seamless Pipe products for demanding energy applications.

    Our pipes are engineered to meet the latest 46th edition of the API SPEC 5L standard and are available in both PSL1 and PSL2 categories.

    These seamless line pipes are widely used in onshore and offshore pipeline systems for transporting oil, gas, and water with high efficiency and safety.

    As a specialized producer of API 5L Seamless Pipe, we supply complete grade options including API 5L Gr.

    B, X42, X46, X52, X56, X60, X65, and X70, ensuring optimal mechanical properties, corrosion resistance, and durability for each application scenario.


    Company Contact:


    • Phone: 13931757888

    • Address: Hope New District of Mengcun County, Cangzhou , Hebei , China

    • Email: Email


    Published date: September 2, 2025

    • Business Description: Cangzhou Zongrun Pipe Industry Co., Ltd. is located in the Hope New District of Mengcun County, Cangzhou City, Hebei Province—recognized as the “Capital of Steel Pipes and Fittings in China.



      The company operates two core business segments:

      Segment 1: Trading and distribution of seamless pipeline steel pipes

      Segment 2: Fabrication of steel structure products

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