Consumer's right to return goods and refund
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 with the parties concerned, consumers can return the goods within seven days from the date of receipt.
Article 25 of the Law of People's Republic of China (PRC) on the Protection of Consumer Rights and Interests
Where an operator sells goods through the Internet, television, telephone or mail order, the consumer has the right to return the goods within seven days from the date of receipt, without giving reasons, except for the following goods: 1, which the consumer ordered; 2. Fresh and perishable; 3. Digital products such as audio-visual products and computer software downloaded or unpacked by consumers online; 4. Deliver newspapers and periodicals.