What kind of disinfection tableware can't be used?

Now with the improvement of people's living standards, most of the time they will go out to eat, and then they will use sterilized tableware. So how do we distinguish what can't be used and what can be used safely? First of all, see if there is a qualified mark on the disinfection tableware. Tableware without a qualified mark cannot be used. Tableware without a qualified mark is generally produced from a small workshop. Disinfection tableware produced by small workshops may not be standardized according to the requirements, so there will be safety problems in use. So what kind of tableware can be used with confidence? The packaging film of sterilized tableware must be sealed and must not be damaged. Focus on the qualified mark, which is the necessary mark, production date and shelf life for each set of sterilized tableware. These are all necessary for the appearance of the packaging film. Clear address information is the basis. Then we open the packaging film, are vacuum packaging, disinfection tableware surface dry, colorless and tasteless. Such tableware can be used with confidence.