abc food safety certificate expired go to the local food and drug administration to renew.

Food safety certification is a written assurance or certificate of conformity given by a third party, based on a program, that a food product, production process and service meets specified requirements. Food market, often see some natural, pollution-free, green, healthy and other words. There are domestic certifications for pollution-free vegetables to ensure that chemical pesticides and chemical fertilizers are used judiciously in the production process and that pesticide residues on the product do not exceed specific standards.

But there are also some products in the market that claim to be pollution-free vegetables without being certified. Fresh food quality tests mainly include: pesticide residue test for vegetables and fruits, sugar content of fruits, lean meat, total colony count and coliform test.

Food safety certificate level:

Food service food safety supervision quantitative grade is divided into dynamic grade and annual grade. Dynamic grade for the supervisory department of the food service unit food safety management status of each supervision and inspection results of the evaluation. Dynamic grade is divided into excellent, good, general three levels, respectively, with a big smile, smile and flat face three cartoon images.　

Annual grade is the comprehensive evaluation of the supervision and inspection results of the food safety management status of food service units by the supervisory department during the past 12 months, and the annual grade is divided into three grades of excellent, good, and general, which are indicated by three letters of A, B, and C, respectively.

Reference: Baidu Encyclopedia--Food Safety Certificate