Gulong braised pork can is a cooked product, which can be eaten conveniently and quickly, and can also be processed with other dishes as a side dish, and can be matched according to personal taste.

Metal sheet, glass, plastic, cardboard or a combination of the above materials are used to manufacture sealable containers, and commercial foods are stored therein. After special treatment, it can be commercially sterile and can be stored at room temperature for a long time without deterioration. This kind of packaged food is called canned food.