Pre-pressing paper feeding type, smoothly;
  Thin knife slitting, thickness of the blade: 1mm;
  Grind the blade edge with grindstone in two methods: automatically or manually;
  Sharp blade edge can slit the cardboard smoothly and neat.
  Work process: Pre-pressing, slitting and creasing. Creasing line without crack
  The machine can be provided to corrugated paperboard production line.
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