All items are fully tested with working conditions by engineer.

Before returning goods, please contact us to tell the issues you are having.

If there are irremediable defects happening to the devices, you must contact your sales representative to verify product
failure.

We have experienced technical team can provide support over the phone, by chat, by email or by remotely login.

If your returns meet our relevent standards, you can contact our customer service team to exchange or return any product that you bought from us