Small business operation, low profit margin, if the sold products have damage, please take photos and contact customer service for after-sales service. Please note that the 7-day no-reason return policy is currently only applicable to individual retail users who buy one product. The service fee for shipping needs to be borne by yourself. Wholesalers (who do not enjoy the 7-day no-reason return policy) are not supported to return for any reason such as poor quality or inability to sell. If you need to return, please contact after-sales customer service to discuss the handling. Thank you for your cooperation. For invoicing and custom orders, please contact the manager's WeChat at 18979843176.