• Corporate vision to become the pipeline industry Toyota
  • Corporate mission to enhance the quality level of Chinese manufacturing
  • Business goals domestic industry first

Tag archives: "pipeline steel pipe welded"

Attention should be paid to defects that may occur during pipeline steel pipe welding during production: 1.Bubble Bubbles mostly occur in the center of the weld, and hydrogen is still hidden in the form of bubbles inside the weld metal. The main reason is that the welding wire and flux have mois ...

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