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erw tube machine

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  • 2023-06-26

    API φ457 ERW Steel Tube Mill
    Equipped with automatic roll adjustment system and pipe finishing equipment.Bearings and electrical components are all international brands.Tengdi focuses on the design and manufacture of heavy-duty ERW tube mills.The test life is more than 30 years.2017-03-28
  • 2022-11-29

    Process flow and related introduction of high-quality high-frequency welded pipe machine to produce high-frequency welded pipe
    High-frequency welding is a type of welding method that uses the resistance heat generated by the high-frequency current flowing through the continuous contact surface of the workpiece to achieve mutual connection between the metals of the workpiece under the condition of applying an upsetting force

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