Automatic Square Tube Forming Pipe Welding Machine

Spiral duct making machine can be directly on the material alre- spiral duct making machine can be directly on ady do flange bending machine, sheet of same board using flange is essential ady do flange bending machine process of practical equipment, but also can be used as a general ruffled machine usde as a general ruffled machine use. Spiral tube coil is made of spiral seam of thin walled tube, metal belt round, no welding, no leakage, no Water Leakage, used for air and bulk transport, instead of the traditional tin pipe (i.e. manual seam pipe). A wind pipe, the straight pipe without manual.