1, frozen products is the food outside a layer of ice, and air isolation, so that the food will not oxidize, you can keep the food for a long time does not appear to deteriorate phenomenon. Can be long-distance transportation, long-term preservation, general frozen seafood can be stored for about three months.

2, chilled, is just salvaged fish, shrimp and crab, for the rapid cold, fresh time 24 hours, but the food is very fresh, in which there is no loss of nutrients.

3, now the major supermarket display cabinets are chilled food. Frozen frozen up hard, chilled mixed ice for easy transportation, but the freshness period is shorter.

4, the custom of chilled in April fishing season. April chopped fish, yellow croaker, kingfish crowded Bohai Bay Gu District, each fishing boat production than in previous months, due to the weather gradually warming, round-trip fee, delayed production, playing aquatic products, such as freshness, so they sailed out to sea to collect goods, collect goods with ice freshness shipped to the market for sale, so the formation of fresh ice custom.

1, frozen products is a kind of storage in -12 ~ -23 degrees Celsius of a food, including seafood, aquatic products, chicken vice class, duck vice class, goose vice class, pig, cattle, sheep, agricultural products, pills and pastries, other meats, other agricultural products, such as a large number of meat or non-meat food. Frozen products generally do not undergo significant changes in size, shape, texture, color and flavor, and they also maintain their original freshness.