1. For product quality problems, please contact customer service within 7 days. No refund will be returned after this time.
2. Within 7 days after receiving the goods, sellers with quality problems shall bear the return freight, while buyers with non-quality problems shall bear the return freight.
3. Buyers who return and exchange goods with quality problems should pay the freight in advance. Please try your best to choose an economical shortcut and reject the delivery.
4. Return and exchange goods should keep the original appearance of the goods you receive (rejection affecting secondary sales)
5. The product is damaged manually, disassembled and repaired by itself without consent, and will not be returned or exchanged.