Duct elbow machine EM-1250 is professional for making round duct elbow.It can greatly increase the production efficiency. This machine combine with our Spiral tube forming machine,Seam welding machine,Angle iron round rolling machine and Three roller bending machine can making any type round duct easily. The frame adopts full steel welding structure with enough hardness and rigidity. It also has been heated processed and highly frequently vibrated. Adopting floor boring-milling machine for guaranteeing the precision
