HelloYS127188,
first and foremost, we would like to offer our sincerest apologies for the inconvenience and unpleasant experience you have encountered with your after-sales support.
All products purchased through official channels are covered by our free warranty service. Please contact our customer support team with your proof of purchase (your order number is also acceptable), a description of the issue, and if possible, a video showing the wheel slipping problem. If the issue is confirmed to be a manufacturing defect, we will arrange repairs for you.If you have lost your receipt, you can also provide the purchase channel and your order number to our support team. They can verify your purchase history using the order number, and as long as the record is valid, we will honor your warranty.
Again, we deeply apologize for the trouble this has caused you, and we will do our utmost to resolve this issue for you. Please feel free to contact our after-sales support team for assistance:Email:
support@mova-tech.com