It is working combine with round pipe elbow making machine, Seam welding machine, Angle iron round rolling machine and Three roller bending machine can making any type round duct easily.

The frame adopts full steel welding structure with enough hardness and rigidity. It also has been heated processed and highly frequently vibrated.

Adopting floor boring-milling machine for guaranteeing the precision.
We not only apply ourselves to develop the new products and improve our products’ quality, but also build a quite perfect after sales service network all over the world and supply more convenience and better service for our customers.

We supply the foundation fig of the machine’s installation but not constructing. We take charge of the machine’s installation and adjustment if you supply the lifting equipment and necessary conditions. Please let us know the list of accessories before the machine leaves the factory.