According to Article 24 of the Law of People's Republic of China (PRC) on the Protection of Consumer Rights and Interests, if the goods or services provided by the operators do not meet the quality requirements, the consumers may return them according to the provisions of the state and the agreement of the parties concerned, or require the operators to fulfill the obligation of replacement and 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.