According to the Announcement on Matters Related to the Use of Enterprise Food Production License Marks, the symbol of enterprise food production license is expressed by the abbreviation "QS" of the pinyin "QiyeshipinShengchanxuke" of "Enterprise Food Production License", and the Chinese word "Production License" is marked, which is different from the original English abbreviation QS(qualitysafety). The meaning of qualitystandard is also different.

According to the new Measures for the Administration of Food Production License, all foods produced on or after 20 18 10/day are not allowed to continue to use the original packaging and labels and the "QS" mark, and instead, they are coded with the "SC" mark.