The products sold must be packaged products produced by standard manufacturers, with the trademark of sc production license and legal procedures, and the production license needs to be applied to the Industrial and Commercial Bureau.

SC is the Chinese phonetic abbreviation for "production", and it is a food production license like QS. The Measures for the Administration of Food Production License, which came into effect on June 20 15, clearly stipulates that newly certified food producers will no longer use the QS mark, but mark the new food production license number "SC" on food packaging or labels with 1 4 Arabic numerals, namely: 3 food category codes, 2 provinces (from left to right).