This standard specifies the terms and definitions, product classification, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage, and quality commitments of automatic bag vacuum packaging machines. This standard applies to bag-feeding vacuum automatic packaging machines (hereinafter referred to as "packaging machines") that use composite films as packaging materials for packaging in agricultural products, food, chemical and other industries. This standard does not apply to packaging machines for packaging powder packaging materials.