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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
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Description:
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▶ 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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