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When assembling the box body, the four corners of the paper tray must be tight and seamless, and the four corners and the upper edge must be flush. Too much inside or outside will cause trouble to the surface paper, and the adhesive is not allowed to be transferred to the next process. When mounting the face paper, be sure to wipe it with a flannel to make it stick firmly, and make the surface smooth and free of bubbles and glue. When scraping the edges with a scraper, the four sides must be scraped in place to prevent the four-corner joints or wrinkles. Keep your hands clean and the operating table clean to prevent dirty operations from sticking to the lining paper. Laminating paper, equipment and auxiliary materials mainly include a glue machine and a flattening machine; the auxiliary materials required are latex. Process points: check the production order and check the quality of the cardboard paper. The standard moisture content of the cardboard paper is 12%. To prepare the adhesive, the mass ratio of each component is: white latex: water=1. Glue the white paper inside, stack the cardboard paper on the platen in front of the gluing machine, and the paper pusher according to the speed of the gluing machine.