Price: our products are all wholesale prices, factory direct sales, except for a large number of orders, no bargaining, can be self-service shopping. Freight: for orders with large quantities, you can contact customer service to modify the freight. If the freight is less than 10, you do not need to modify it. After-sales service: if you encounter quality problems and quantity problems when you sign for the goods, please contact our customer service in time. We promise to return goods within 7 days and exchange goods within 15 days (without affecting the second sale). If you are not satisfied or different from your imagination, please contact customer service. Return postage at your own expense, and refuse to pay on arrival.