Folding is a necessary process in the printing industry. The large format paper printed on the press must be folded to form products such as newspapers, books, magazines, sample advertisements and so on. It is the process of folding a printed sheet into a booklet in the order of its page numbers, or folding a large format sheet into a certain size according to requirements. Folding is the printing of large format sheets, in accordance with the order of the page number and the size of the specified width, with the machine or manual folding into the book post work process, is the main work into the post.
