● After the customer receives the goods, please open and inspect the goods in front of the Courier. If it has been signed, it indicates that the quantity and quality of the goods are no problem, and the return and exchange requirements are not accepted. If the package is damaged or the quantity does not match the list, please contact us in front of the Courier as soon as possible, and ask the Courier to indicate this situation on the return form. ● If the goods received by the buyer have quality problems, in the case of unused and intact accessories, you can apply for exchange of goods of the same value or return, return please keep the package intact.