... 2.CE CERTIFICATE 3.High speed corrugated roll forming machine corrugated roof making machine Technical Parameters Main Equipment: main forming ... stand, hydraulicsystem, electric system.3. Technical Parameters 1) automatic inner tight decoilerA. Coil inner diameter: 450mm-700mmB. Max ... 62º CB. Cutting system: Adopt advanced hydraulic drive, automatic cut after forming,no distortion, no waste, high safe ...