Contact Us

Karseno is owned and operated by Chongqing Yuxiang Kumai Education Technology Co., Ltd.. Chongqing Yuxiang Kumai Education Technology Co., Ltd., doing business as Karseno, operates karseno.com and is the seller of record for purchases made through this website.

Business address: 11-1, No. 9 Honghu East Road, Tiangongdian Subdistrict, Liangjiang New Area, Chongqing, China

Customer support: service@karseno.com

Customer Support

For order updates, product information, returns, payments, account questions, privacy requests, or store-related concerns, email our support team at service@karseno.com.

Before You Contact Us

Please include your order number, the email used at checkout, and a short description of your question. Photos or videos are helpful when contacting us about damaged, incorrect, or missing items.

Response Time

Messages are reviewed during normal business processing periods. Response times may vary during weekends, holidays, promotions, and periods of high order volume.