Professionals please take a look of the automatic SAW bead and comment on it.

The H beam is welded by an automatic submerged arc welding machine. Hot rolled H beam of standard sizes can be buld produced in the mill plant and quality is stable. As to the production of non-standard H beam especially heavy duty building beam, the most important process is welding. Stable high quality can be strictly controlled by the producing line including fitting, welding and straightening in our industiral park.