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china drawstring bags manufacturers cjeap personalized drawstring bags wholesale custom made in china suppliers manufacturers…..canned food security button on the top cover all products with environmental changes or adjust the quality of the display elements of the state of smart packaging products. As another example, some of the fresh food stored at low temperatures, otherwise there will be active bacteria, leading to food spoilage. Affixed on the packaging label can indicate the new time and temperature, the chemical composition of which polymerization occurs at elevated temperatures, there is a corresponding label color shade changes, thus customers can know at what temperature food storage, storage how long, how fresh the degree in the end. According to reports, this type is called "active packaging" technology, already in use in the United States, France and other places. Many companies recognize that customers understand the food available to them very fresh, and its potential commercial benefits are huge, additional costs to develop the use of new technology, compared with this, but it is "trivial." Currently, some U.S. companies being developed frozen food preservation instructions on the package, the new package can monitor gas meat, fish or vegetables rot due to improper
