a registered trademark shall be marked with "registered trademark" or "r"; Product quality inspection certificate; Product name, manufacturer's name and address indicated in Chinese (the requirements for imported goods are the same); If it is necessary to indicate the product specification, grade, name and content of main ingredients according to the characteristics and use requirements of the product, it shall be indicated; For products that are used within a time limit, the production date and the expiration date of the safe use period shall be indicated; For products that are easily damaged by improper use or may endanger personal and property safety, there should be warning signs or Chinese warning instructions; The name, code and number of the standard to be implemented shall be indicated on the product or manual; For special products subject to the production license system, the license number and the validity period of the approval date should also be indicated. For example, the approval number and batch number of drugs must be indicated.