Heat shrink packaging machine is one of the more advanced packaging methods currently on the market. It uses shrink film packaging on the surface of products or packages, and after heating, the shrink film shrinks and wraps tightly around the products or packages, fully displaying the appearance of the items, improving the product's exhibition and sales performance, and increasing its beauty and value. At the same time, the packaged items can be sealed, moisture-proof, and pollution proof, and protect the goods from external impacts, with a certain degree of cushioning, especially when packaging fragile items, it can prevent the containers from shattering and scattering. In addition, it can reduce the possibility of the product being dismantled or stolen. Suitable for industries such as food, beverages, candies, cultural goods, hardware tools, daily necessities, chemical products, etc.