News

• What is ERW steel pipe?

  　What is ERW steel pipe? 　　ERW is the abbreviation of Electric resistance welding, which refer to a group of welding processes such as spot and seam welding that produce coalescence of faying surfaces where heat to form the weld is generated by the electrical resistance of material co...

  Read more

• 

  What is the high frequency induction welding?

  What is the high frequency induction welding? High frequency induction welding is a process based on the concept of forming a weld seam by electric resistance or electric induction welding, where the edges to be welded are mechanically pressed together, and the heat for welding is generated by t...

  Read more