HVAC duct automatic duct production line : Auto duct line have good stability and high efficiency to finish L shape in 20-25 seconds , save much labor cost .
Rectangular duct making machine : These machines are cheap price , convenient for operator to move , Simple operation and have small footprint .
Spiral duct forming machine : Spiral duct machines have high speed and advanced PLC operating system , also have good sealing performance.
Round duct making machine : round duct machines’ working steps is less than rectangular duct making .
Sheet metal machine : Fiber laser cutting , CNC turret punching machine , press brake and so on have European design and Importing Germany accessories , they are durable and have long using life .