Ningbo Ronghua Digital is a saddle stitch booklet maker manufacturer, supplier and wholesaler. Saddle stitch booklet maker with intuitive user interface, convenient fine-tuning structure, essential functional features of specialty. The necessary flattening of the finished product booklet, trimming process, can be connected to the one-time completion. Strong flattening unit to provide smooth, smooth ride neatly. Low manufacturing cost not expensive shaping nail. It not only guarantees the professional beauty of the raw products, but also save the production cost greatly.