1. The raw materials for the production of paper and cardboard come from nature, rich in sources, low in cost and suitable for large-scale mechanical production.2. Compared with other packaging containers, cartons not only have good mechanical strength, but also have good cushioning properties. They also have heat insulation, light shading, moisture-proof, and dust-proof, which can well protect the goods inside.3. Paper and cardboard are easy to cut, fold, glue or nail to form cartons, cartons, paper bags and other packaging containers with different shapes and functions, which are not only suitable for mechanized processing and automatic production, but also can be made by hand. Beautiful packaging. Paper products before packaging can be folded for storage and transportation, which not only saves space but also reduces costs.4. The surface of paper and cardboard is smooth, and exquisite patterns can be printed, which is conducive to sales promotion; especially on supermarket shelves, commodities with exquisite printing decoration and unique shapes can stimulate consumers' desire to buy.