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Small business operation, low profit margin, if the sold products have damage, please take photos and contact customer service for after-sales service. For retail customers who purchase one product within 7 days, we support a no-reason return policy. Wholesale trade customers do not support a no-reason return policy. We do not support reasons such as unsold poor quality to apply for returns and exchanges. Thank you for your cooperation. For invoicing and custom orders, please contact V 18979843176.