FAQ

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

How can I contact support?

Email service@karseno.com with your order number and a short description of your question.

How long does shipping take?

Orders are typically processed within 1-3 business days after payment confirmation. Estimated standard delivery time is generally 7-12 business days after dispatch, depending on destination and carrier conditions.

How do I request a return?

Email service@karseno.com within 30 calendar days after delivery. Please include your order number, item name, reason for return, and photos or videos when relevant.

Who pays for return shipping?

Customers are responsible for preference-based return shipping. If an item arrives damaged, defective, incorrect, or materially different from the product description, we will review the issue and provide an appropriate solution.

When will I receive a refund?

Approved refunds are issued to the original payment method within 5-10 business days after the returned item is received and inspected.

Can I cancel an order?

Contact us as soon as possible. Cancellation cannot be guaranteed after an order has entered processing, dispatch preparation, or shipment.