... solution in each case. Product Feature:1,The machine adopt module design, it’s easy to choose ... , lower cost to manpower, suitable for mass produce.4,Different size optional, eg. 920, 1040 and so ... sheet feeder system3. Two books stitching one time, 4 stitches, paper width 500mmFeature:a. Suitable for many varieties ... plate are lowerc. less cost, lower waste Fully automatic Exercise Book Machine