It is printed with clean and neat hot stamping, laser laser, needle punch or steel print, then it is basically real, generally big company brand many are printed in these ways production date, used to prevent fake.

If the date of manufacture is printed with inkjet, then first of all check whether the numbers are printed somewhat fuzzy, there is no ghosting or ink stains. If it is non-steel printing or needle-printed date of production, then you can use your hand to rub a look, if it is the real printing basically can not rub up, if it is later printed on the may be rubbed up to fuzzy.

Expanded Information:

. p>Precautions:

1, the purchase of prepackaged food should be carefully check the production date, shelf life, manufacturer and other important information. Refuse to buy expired food, three no food, abnormal sensory properties of food. Consumers should promptly report to the local market supervision and management department (Food and Drug Administration) complaints.

2, choose a clean environment, good hygiene, hanging in the store has a "Food Service License" or "Food Business License", supervision of the public signage public face logo for the smile or smile, do not eat roadside, open-air mobile stalls to provide food, not in the absence of a cold dish license program in the catering unit to order cold dishes.

3, buy food or to the food service unit after consumption should try to ask for and retain the relevant bills, so that accidents can be traced responsibility.

Baidu Encyclopedia - Food Packaging Bags

Baidu Encyclopedia - Date of Manufacture