Ext machinery is based in the Yangtze River Delta, nearby Shanghai, China. Our company is the manufacture of metal forming machines, specialized in designing , producing metal sheet forming machines, duct forming machines, such as spiral tubeformer machines, rectangular machines and fitting machines.
Our company’s research and development is the cornerstone for our Automatic Tubeformers that produce a higher-quality duct with reduced production costs. All the products have been considered various safe factors during designing.
Our products can be widely used and have been applied in HAVC duct manufacturing.
We sincerely welcome both domestic and international friends to cooperate with us.
Spiral tubeformer machine, rectangle duct machine, ductlines
HAVC