... 2.large diameter bender 3.NC bending,3D Tube and pipe bending machine/bender1.Stainless steel,carbon steel2 ... the rocker portable radius.At present,the largest tube bending radius of the large pipe bender is ... years, with aircraft terminal, the railway station tents and sports venues, exhibition center, large factory etc. Large ... patent of invention.Projects NC pipe and tube bending machine 3D to 2D