Straight Round Duct FormerIt can process a round duct with maximum diameter 1.4m.Both of its intensity and airproofing are good. All diameter rounds change drastically. With constant high-speed cutting equipment, the strip speed is fast, the capability is stable. Now all the round duct machines are manufactured in term of European standards. The qualities of machines have reached European standard.

Bow Round Duct FormerThe processing capability of bow round duct machine is strong, and the construction is simple and fast. Its easy to operate and requires little attention on circumstance and electric appliances.

Folded Spiral-seam Tube Former And Arc Flange