Functional packaging has material, structure, and information types. New technology components such as machinery, electrical, electronics, and chemistry are added to the packaging, and new packaging materials, structures and forms are used to actively intervene in the quality and circulation safety of goods. With guarantee, it not only has the basic functions of general packaging, but also has some special properties.

The intelligent slow-release microcapsule fresh-keeping packaging material developed by Boxpan has strong adsorption capacity, can absorb ethylene and harmful gases, prolong the fresh-keeping time of fruits by 1-3 times, and solve the phenomenon of poor fresh-keeping effect of fruits and vegetables during storage and transportation. It is widely used in the field of fresh-keeping packaging for agricultural and sideline products.