It protects the appearance effect of all kinds of printed matter and improves the service life. The most noteworthy thing about the pre-coating laminating machine is that the laminating film can make up for the quality defects of the printed products to a large extent. Many apparent defects appearing in the printing process, after laminating (especially after the matte film ), can be covered. People’s awareness of environmental protection has gradually increased, and relevant laws and regulations have been continuously improved. The two major problems of pollution during the film processing and the difficulty of recycling when the film is discarded are facing people.