Legal basis: 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 business operators do not meet the quality requirements, consumers may return them in accordance with the provisions of the state and the agreement of the parties, or require the business operators to fulfill the obligations 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. If the goods meet the statutory conditions for terminating the contract, consumers can return them in time. If the commodity does not meet the statutory conditions for terminating the contract, the operator may be required to replace or repair it.