the maximum size of the plastic bag is 450*270mm, the smallest size of the book is 140*120mm, the maximum cover size is 450* 610mm, the minimum cover size is 140*243mm, the thickness of the book is 3-50mm, the speed of the book is 2050c/h.the glue loading dragon is a machine integrating page matching, glue loading, conveying and cutting. it fully embodies the modern characteristics of automation, humanization, high efficiency and environmental protection from the appearance, structure design and functional configuration. it is fast, stable and functional, which is a high-end machine in line with the needs of modern printing industry.its appearance greatly shortens the production cost of maidian, at the same time also improves the production efficiency, enhances the quality, plays a certain role in promoting the development of macdian in the printing industry.