1. Enter the WeChat search first, and pay attention to the optimization of the official WeChat account of koi fish Card.
2. Then click the menu bar to join us-click Logistics Query &; Customer service.
3. Then click the pop-up message-logistics query.
4. Then enter the mobile phone number and verification code to log in.
5. Then you can see the order; Click to cancel the order.
6. Finally, you can cancel the order and successfully return the card. There will be a SMS reminder after cancellation, and the postage will be refunded the same way. Note that there will be SMS reminders for canceling orders independently.