(1) The wire was ordered in paperback.
(2) Sewing and ordering paperbacks.
(3) Adhesive paperback. Binding is a new binding technology with the appearance of synthetic glue. It was used in China in 1960s and has been widely used since then. Binding uses cold glue and hot melt glue.
(4) Lock thread paperback. This is a high-grade binding method, which is mostly used for books with high reading frequency and thick books. It is characterized in that the binding thread passes through the folds of the book signatures, then all the book signatures of a book are locked together with the thread, and the back of the book is glued, covered, ironed, dried and cut on three sides, thus completing all the binding work of a book.
Extended data:
The difference between hardcover books and paperback books;
Hardcover is a kind of book binding, as opposed to paperback. Generally, it is hard paper, leather, fabric, plastic and so on. They are all used for covers, and some books are covered with cloth, which requires high technology. Hardcover is divided into full paper hardcover, paper cloth spine hardcover and comprehensive material hardcover; All three hardcover styles have two forms: round ridge and flat ridge. The cover is inlaid with gold characters, which is very gorgeous. Paperback is also called "paperback". It is a common book binding form after summing up the advantages of Bao Beizhuang and thread binding. The main processes include folding, assembling, binding, cover and trimming. Paper covers are generally used. The method is simple and low in cost.
Refer to Baidu Encyclopedia-Paperback Book