1. Look at the package. Clear information of the manufacturer, such as address and telephone number, should be printed on it;
2. Observe whether the factory date or shelf life is marked;
3. Open the tableware and smell it first to see if it is pungent or moldy. Then carefully check, qualified tableware has the following characteristics:
Light, with good luster, the color is not old;
Clean, clean surface without food residue and mildew;
Sessy, it should be astringent to the touch, not greasy, indicating that oil stains and detergents have been washed away;
After high-temperature disinfection and drying, the tableware after drying and disinfection will not contain water. If there are water drops on the packaging film, it is definitely abnormal, and even water stains should not exist.