PYGL440 page line according to user needs to serialize the book with pages in book form. Machine is stable, easy to adjust. Line with electro-mechanical joint inspection and control system, able to detect the double and lack of stickers, is a memory, automatically disqualified out donated book by eliminating, the whole non-stop, ensuring the quality of books with pages and improve work efficiency. With page book book with pages in book form can be staggered vertically launched to facilitate this.