If you need to return and replace, because of quality problems,
First, you should test the product and provide the test report. After verification, we will accept your return or replacement. Then you will get a full refund. Please note: if the product is damaged or damaged, we will not refund.
Secondly, relevant approval forms for return and replacement should be filled out. Or you can contact us to get a refund and replace the approval number.
If you need further information or have questions about the return of a particular product, please fill out the Customer Service Form and contact our CSR.