Ecnomic spiral duct machine on sale

Spiral duct making machine is used for producing HVAC round duct. Owing to its excellent performance and low cost, Spiral ductwork has been widely promoted in ventilating and air conditioning systems. It features low wind resistance, high effect, fine rigidity, and convenient installation, thus adapts to the application for large ductwork locations.
1. Special mould for various tube diameters, easy to change and adjust, no need crane or too much manpower
2. Large diameter range
3. High speed synchro flying cutting system
4. PLC control, convenient operation
5. Light and small, suitable for site work