There is no QS mark on some food packages, which means that they do not meet the food quality and safety standards.

QS mark refers to food production license and industrial production license. If it doesn't, it means it doesn't meet the standards of food quality and safety.

extended information

QS it consists of the prefix (QS) of "enterprise food production license" and the Chinese words "production license". The main color of the logo is blue, and the four Chinese characters "Q" and "Production License" are blue; The letter "s" is white.

first: QS is not a certification mark, but a production license mark.

second: the production license is not only for food, but also for others.

Reference: Baidu Encyclopedia? qiyeshipin shengchanxuke