... Feed method of oblique design, convenient and quick for paper feeding, highest speed with 20books per minute.4. Automatic control ... and manual supplement: It is fully automatic for paper feeding, book binding, book folding, manual and automatic control, can ... 80gsmMax.paper size 297×420mm (A3) ,max binding size: 320 x 440mmMin. Paper size182×257mm (special spec customized)Binding locationNail ...