Sous-vide cooking can completely retain the original flavor of food and the aroma of spices, and ordinary meat can also "Good-tasting".
Vacuum packaging machine is a mechanical device that uses vacuum to preserve the contents for a long time.
Sous-vide, a method of cooking that utilizes lower temperatures for longer periods of time, aims to bring out the best in ingredients, especially meat.
Blast freezers are sometimes referred to as shock freezers. This type of freezer storage rapidly brings down the temperature of (usually) cooked or fresh produce, freezing it very quickly to lock in the taste and nutrition of the food for optimum quality for consumers.