Legal basis: Article 27 of the Product Quality Law of People's Republic of China (PRC) must be true and meet the following requirements: (1) There is a product quality inspection certificate; (2) The product name, manufacturer's name and address indicated in Chinese; (three) according to the characteristics and requirements of the product, it is necessary to indicate the product specification, grade, name and content of main components, and it shall be indicated in Chinese accordingly; If it is necessary to let consumers know in advance, it should be marked on the outer packaging or provide relevant information to consumers in advance. 4) For products with restricted use, the production date, safe use period or expiration date shall be clearly marked in a prominent position; (five) products that are easily damaged or may endanger personal and property safety due to improper use shall have warning signs or Chinese warning instructions.