Contact information

Contact our support team concerning products, existing orders, shipping, returns or other store-related matters.

Customer Support

Customer Support Email: service@yancnamd.com

Customer Service Phone Number: +86 9113625639

Customer Service Hours: Monday–Friday, 9:00 AM–6:00 PM PST

For an existing order, include your order number and the email address used during checkout.

If your inquiry concerns a damaged, defective, incorrect, incomplete or materially misdescribed item, provide photographs or videos where relevant.

Return Requests

Please contact customer support before sending an item back.

After your return request has been reviewed and approved, customer support will provide the appropriate return warehouse address and return instructions.

Please do not automatically send returned merchandise to our business registration address unless customer support specifically instructs you to do so.