According to the mandatory standard GB5296.4 "Instructions for the Use of Consumer Goods", the contents that must be marked are: the name and address of the manufacturing enterprise; Product name; Product type or specification; Composition and content of raw materials used; Washing method; Precautions for use and storage conditions; The service life of the product; Product standard number; Product quality grade; Product quality inspection certificate and safety technology category, etc.
Law on the Protection of Consumers' Rights and Interests Article 24 If a commodity or service provided by a business operator does not meet the quality requirements, the consumer may return it according to the provisions of the state and the agreement of the parties concerned, or require the business operator to fulfill the obligation of replacement or repair.
If there is no state regulation and agreement between the parties, consumers can return the goods within seven days from the date of receipt; After seven days, consumers who meet the statutory conditions for terminating the contract can return the goods in time. If it does not meet the statutory conditions for terminating the contract, it may require the operator to fulfill the obligations of replacement and repair. Where goods are returned, replaced or repaired in accordance with the provisions of the preceding paragraph, the business operator shall bear the necessary expenses such as transportation.