Knowledgebase

After Sale

How to cancel an order Before payment and After payment?

    How to cancel an order? Before payment and after payment.   Cancellation Before Payment If you have not paid for your order yet, there is no ... more info

How could I do if I have problem about how to use it ?

    1. Kindly advise you read the user manual carefully , do it as the instruction step by step. 2. If you still can not figure out the problem, please ... more info

What should I do if I have problem after use for a long time ?

    The product did not work anymore after use for a long time. What should I do now? We kindly suggest you do as bellow: 1.  Please take a picture ... more info

3.6

    how about after sale