Should have some used but not damaged ones.
You can only exchange the same type of product.
We will arrange for service personnel to collect old products. An old product can only exchange for a new product.
When you exchange one new product you have to pay depreciation charge.
If there is not enough old products to exchange, you need to pay an additional fee.
We will contact you within 24 hours after you have made your payment and confirm your order information.
When the information is correct, we will be completed within 5 days of delivery.
After you sign the goods we will install for you free of charge.
You may refuse to accept the goods and request a replacement or refund if you think the goods are in trouble at the time of receipt.
When you encounter any problems, you can contact us by phone or email.