the number format of the food hygiene license is: Su Wei Food Certificate Zi [year of issuance]No. XXXXXX-AAYYYY.

XXXXXX refers to the administrative region code (for the administrative region code of Jiangsu Province, see Annex 2 of the Measures for the Administration of Food Hygiene License in Jiangsu Province (for Trial Implementation)); AA refers to the production and operation mode code: production and processing is 11, food operation is 12, catering service is 13, collective canteen is 14, food additive production is 15, health food production is 16, and new resource food production is 17; YYYY refers to the serial number of health license issuance in this year and this administrative region.