When purchasing food, food operators should check the supplier’s license and product qualification certificate.

According to Article 50 of the "Food Safety Law of the People's Republic of China", food producers purchasing food raw materials, food additives, and food-related products shall check the supplier's license and product qualification certificate ; Food raw materials that cannot provide certification of conformity should be inspected in accordance with food safety standards; food raw materials, food additives, and food-related products that do not meet food safety standards are not allowed to be purchased or used.

Food production enterprises shall establish a purchase inspection and record system for food raw materials, food additives, and food-related products, and truthfully record the names, specifications, quantities, production dates, or production batch numbers, Shelf life, purchase date, supplier’s name, address, contact information, etc., and save relevant certificates. The retention period of records and vouchers shall not be less than six months after the expiration of the product shelf life; if there is no clear shelf life, the retention period shall not be less than two years.

Extended information:

Article 55 of the "Food Safety Law of the People's Republic of China" Catering service providers shall formulate and implement raw material control requirements and shall not purchase materials that do not meet the requirements Food raw materials according to food safety standards. Advocate for catering service providers to disclose the processing process and disclose information such as food ingredients and their sources. Catering service providers shall inspect the food and raw materials to be processed during the processing process. If any conditions specified in Item 6 of Article 34 of this Law are found, they shall not process or use them.

Article 56: Catering service providers shall regularly maintain food processing, storage, display and other facilities and equipment; regularly clean and verify insulation facilities, refrigeration and freezing facilities.

Catering service providers shall clean and disinfect tableware and drinking utensils as required, and shall not use tableware and drinking utensils that have not been cleaned and disinfected; if catering service providers entrust the cleaning and disinfection of tableware and drinking utensils, they shall entrust Centralized disinfection service units for tableware and drinking utensils that meet the conditions stipulated in this Law.

Baidu Encyclopedia - Food Safety Law of the People's Republic of China