If it is food, it needs safety certification; If it is an electrical appliance, it needs three C certifications, and relevant certificates and qualifications will do.

But some places need "access cards"

For example, Ningbo. According to the requirements of the access project, shopping malls and supermarkets participating in the commodity access project must establish systems such as obtaining certificates, commodity filing and enterprise commodity quality management in strict accordance with the Product Quality Law, the Anti-Unfair Competition Law and the Consumer Protection Law. Shopping malls and supermarkets are required to ask for the supplier's business license, product certificate and other relevant documents when purchasing goods, and establish commodity files. At the same time, it is necessary to establish commodity quality management institutions and systems.