Famous trademarks are generally recognized by provincial industrial and commercial departments and ranked within the top three industries in the province. You can consult the trademark office staff of the local industrial and commercial department, or check online. The application requirements for famous trademarks vary from place to place. Generally speaking, there must be corresponding business licenses, trademark registration certificates, trademark use certificates, commodity inspection certificates, sales area certificates, tax payment certificates, advertising coverage certificates, industry rankings and sales ranking certificates issued by industry associations or relevant statistical departments, and the company has Obtained quality certificates and various honorary certificates issued by the government.