Shenjia Hydraulic

　　1. Saddle stitching
　　Also known as saddle-stitch binding, this method staples the pages along the fold in the center of the spine, with no visible book spine. Saddle stitching is one of the most common binding techniques, offering speed and affordability while allowing for easy page turning. It’s suitable for books ranging from 8 to 64 pages, with the total page count required to be a multiple of four.
　　2. Wire-O binding
　　Perfect binding is a bookbinding method that uses adhesive to secure the pages of a printed work along the spine. It is well suited for thicker books and can be automated, reducing costs and production time; however, it makes the pages difficult to open fully and complicates the alignment of spreads.
　　3. Luxury Finishing
　　Hardcover books typically consist of a book jacket made from cardboard, paper, or fabric, along with endpapers, a title page, illustrated pages, and the book’s text block. They are highly durable and can be preserved for a long time. The hardcover cover can also incorporate various printing techniques, such as gold stamping and embossing.
　　4. Screw binding
　　It is commonly used for hardcover books, novels, and the like. This type of sample book features a cover similar to that of a hardcover, with 2–3 screws on the left side securing the cover to the spine. This binding method makes it easy to add or remove pages later.
　　5. Sewn binding
　　Also known as sewn binding or thread‑sewn binding, this method uses a specialized machine to stitch the pages together along the fold line at the spine. It is typically employed for thicker paperback books; the stitching provides strong support, with the inner pages held in place by the thread, making the book resistant to loose pages even after repeated use or over time.
　　6. Coil Assembly
　　This simple binding method is particularly advantageous because it allows for easy page-by-page browsing and replacement. It is widely used in the quick-printing market, such as for corporate monthly reports, corporate V1s, and bid documents.
　　7. Butterfly Dress
　　It is a derivative of the folded‑leaf binding; typically printed on one side, the pages are folded with the printed side facing inward, then aligned along the center seam. The pages are glued to the opposite fold using paste, after which the edges are trimmed to form a book. Because the pages open like the wings of a butterfly, this binding style is known as “butterfly binding.”
　　8. Loose-leaf binding
　　This refers to a binding method that allows pages to be easily removed, reinserted, and replaced without compromising the book’s original cover or structure. Loose-leaf bindings are available in stainless steel and plastic; typically, three to four holes are punched in each page during the binding process.