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          Manufacturing     |     Innovation     |     Inventory

          tongyun
          HOT ROLLED & COLD DRAWN SEAMLESS PIPES

          HOT ROLLED & COLD DRAWN SEAMLESS PIPES

          STRICTLY MANUFACTURED UNDER ISO & API MANAGEMENT SYSTEM
          LARGE INVENTORY

          LARGE INVENTORY

          MORE THAN 30000 TONS PIPES ARE READY TO DELIVERY FOR YOU
          DIFFERENT KINDS OF STEEL REBAR COUPLERS CAN BE SUPPLIED

          DIFFERENT KINDS OF STEEL REBAR COUPLERS CAN BE SUPPLIED

          LET'S CONNECTED BY COUPLERS
          OUR SELF DRILLING ANCHOR BAR CAN NOT ONLY

          OUR SELF DRILLING ANCHOR BAR CAN NOT ONLY

          SUPPORT YOUR PROJECTS BUT ALSO YOUR BUSINESS

          ABOUT US

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          INTRODUCTION DETAILS

          Company History

          • Categories:About Us
          • Time of issue:2020-09-02 00:00:00
          • Views:0
          Description:
          Description:
          Information

          ? 2001 Liaocheng Huazheng was established for frist producing line

          ? 2011 Liaocheng Tongyun was established for API &Alloy pipes producing.

          ? 2012 Cold drawn and Rebar couplers producing lines were ready for working 

          ? 2013 Tongyun pipe got ISO certificate

          ? 2014 Tongyun pipe start to produce self drilling anchor bars

          ? 2015 Tongyun pipe South American branch company (Ecuador) was established 

          ? 2020 Tongyun pipe got API Q1 , API 5CT, API 5L certificates .

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