factory supply 7-thread beading machineking machine
Bending grooving machine is widely used for processing plate sheet and making air duct.It can make
the plate more stronger.
This machine have simple and strong structure,anybody can operate it easily.
This machine combine with our Lock forming machine,TDF flange forming machine,TDF folding machine and Shearing machine can be an simple air duct production line.
The machine length can be custom made