Double wire o is a widely used binding book

Double wire o  is a widely used binding book

There are many ways to bind books on the market today, but double coils are a widely used form of book binding.
Any type of printed product is obtained through the three processes of plate making, printing and binding. Binding, as a post-printing process, plays an extremely important role in the quality, appearance, and durability of the finished product. Binding is a general term for a series of processing and decoration processes according to the requirements of the finished product until the finished product becomes the finished product. Double coil is one of the commonly used binding products. Its main meaning is three aspects: a. Prevent page loss; 2. b easy to appreciate and read; c easy to save and collect.