Contact Us

Have a question about a product, your order, or after-sales support? The DUODIAN team is here to help.

Customer Service & Order Support

To help us assist you faster, please include

  • Order number
  • Product model / SKU
  • A brief description of the issue or question
  • Photos or videos (for product issues)

Warranty & Technical Support

If you’re requesting warranty service, please also share the product serial number (if available) and a short video showing the issue.

Tip: If your tracking hasn’t updated for a few days after shipment, email us with your order number and we’ll check with the carrier.