Meet the binding of conventional size booklets; The trolley adopts a two-way double screw rods clamping structure,which is not deformed or twisted during clamping,and is durable. High-power milling motor,milling spine clear,uniform slotting,ensuring glue space,and firmer glue binding. Photoelectric sensor,fault code prompt function,easy to troubleshoot. The function of fine-tuning of the book spine makes it easier for customers to glue the spine according to different needs.