100P A4 Manual Photobook Hard Cover Book Making Machine Hard Cover Maker

The machine takes use of the principle of reflection and refraction of light to position the cover at the central area, so one can see the position of the book spine clearly. The positioning speed and precision is greatly improved.There is also assistant sucking device under pressure to make the cover flat and not move, so there will be no air bubbles. The cover, cardboard and central spine board can be adjusted and positioned accurately.