Aluminum wounded duct is widely used in the kitchen, bathroom, air condition venting and HVAC system. The corrugated aluminum duct can easily compressed and strached, and the aluminum wounded duct can change its shape and keep it. The moulds free disign can reduce the cost and can do any diameter that you want. The chpeast aluminum duct machine.

Features

1 No moulds design
2 4 / 7 waves
3 45 degree cross joint
4 Enhanced rollers for Alu. and S.S