... face machine:SF-320S type of corrugated roller:(U/V)A,C,B,E Width of Paper1400,1600,1800,2000,2200,2500mm ... /min- Corrugated roll diameter: 320MM, 360MM, 410MM- Flute profiles: A,B,C,E etc. available discretionarily.-Tungsten carbide corrugated roll is optional ... glue roll and doctor roll, gap is electric adjusted, PLC auto adjusting is optional.- Open-close of corrugated roll, pressure roll ...