... .Max Sheet Thickness:1.2mm 2.Max. Tube Length:3100mm Oval tube forming machine ( tube former )1 .produced by full-automatic, clean ... elipseL=(2+0.5) ×=5mOur company:Our main products: spiral tube forming machine, flexible duct forming machine, auto roof forming machine ... machine, TDF hydraulic folder, auto cutting to length line, pipe bending machine , FN seam welder,notching and shearing machine.Our ...