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china drawstring bags manufacturers cjeap personalized drawstring bags wholesale custom made in china suppliers manufacturers….. the overall structure of the packaging and packaging materials on frozen food. On the quality of frozen foods during the circulation of the packaging material about the case and other components of the additive migration in frozen food and frozen food and some components to be adsorbed to penetrate the packaging container and so on. 5, reasonable structure design and interior design package. Expected cost of packaging, packaging volume and other aspects of packaging design and reasonable conditions, including the shape of the container, compressive strength, structure, size, sealing methods and other aspects of the design according to the needs of frozen food protection requirements, should as far as possible packaging reasonable structure, material saving, space-saving transport and comply with the times, avoid excessive packaging and deceptive packaging. 6, packaging testing. Qualified goods must have qualified packaging, product detection in addition to the product itself for testing, but the packaging must also be detected after passing before entering circulation. Packaging testing project very much, but not every package must conduct a comprehensive
