Cereal packets: Used for packaging various miscellaneous grains, such as wheat, barley and brown rice. Common materials are polyethylene (PE), polypropylene (PP) and other plastic materials.

Rice packaging bag: a bag specially used for rice packaging, usually made of high-temperature and moisture-resistant materials such as high-density polyethylene (HDPE) or polyester (PET).

Pet food packaging bag: suitable for packaging pet food. The material is required to be safe and non-toxic, with moisture-proof and insect-proof functions. Common materials are polyethylene (PE) and aluminum foil composite.

Vacuum bag: a vacuum-treated bag, which is used to keep the freshness of food and extend the shelf life. Common materials are nylon and polyethylene (PE).

Self-standing bag: self-standing packaging bag, which can conveniently display and store food. Common materials are polyester (PET) and polyethylene (PE).

Sealed bag: a bag with sealing function, which can be sealed by heat sealing or zipper to keep the food airtight. Common materials are polyethylene (PE), BOPP, etc.

Heat preservation bag: A bag made of heat preservation material to keep food warm. Common materials are aluminum foil composite and foam.

Second, the outer packaging bag

Gift box: a box used for high-grade gift packaging, usually made of cardboard, cardboard and other materials, with exquisite design and decoration.

Carton/carton: a large-sized packaging container used for bulk packaging and transportation. Common materials are corrugated board, kraft paper and so on.