Contact Us
Contact MadhtSa™
Customer support for product guidance, orders, returns, warranty matters, and other purchase-related requests.
Dezhou Danian Network Technology Co., Ltd.
Official company information for customer care, order support, and business correspondence.
Customer Care
For order updates, product guidance, returns, warranty questions, or product support, email the MadhtSa™ Customer Care team.
To help us respond efficiently, include your order number, product name, and a clear description of the request.
Email: service@madhtsa.com
Support hours: Monday–Friday, 9:00 a.m.–5:00 p.m. Eastern Time, excluding public holidays
Response target: Within 1–2 business days
Before contacting us
- For an order question, include the order number and checkout email address.
- For product damage or another product issue, include clear photographs or a short video where possible.
- For a return request, review the Return & Refund Policy before shipping any item.
- Do not email payment-card numbers, passwords, or other sensitive credentials.
Business correspondence
MadhtSa™ serves customers through madhtsa.com.
A return location or service destination provided by Customer Care may differ from a business correspondence address.
Do not send products to an address found online or on a shipping label without written return authorization.
Questions or support
Contact the MadhtSa™ Customer Care team at service@madhtsa.com. Please include your order number when your message concerns an existing purchase.