Highlights：
The digital design is used to spray glue, and the glue amount per page is only 30% of the traditional glue method, which effectively ensures the glue amount and reduces the risk of deformation of the inner page.
Detail information of products:
The digital design is used to spray glue, and the glue amount per page is only 30% of the traditional glue method, which effectively ensures the glue amount and reduces the risk of deformation of the inner page.
