Contact Us

These terms apply when customers visit or place an order through karseno.com. For customer support, email service@karseno.com.

Customer Support

Customer support for Karseno is provided by Chongqing Yuxiang Kumai Education Technology Co., Ltd..

Email: service@karseno.com

Before You Contact Us

Please include your order number, the email used at checkout, and a short description of your question so we can review your request efficiently.

Order and Product Questions

For order updates, product information, returns, payments, privacy-related requests, or store-related concerns, contact our customer care team by email.

Response Time

We review messages during normal business processing periods. Response times may vary during weekends, holidays, promotions, and high order volume.