Contact Us
Contact NGjkdue™
Customer support for orders, product questions, returns, warranty matters, and other purchase-related requests.
Heilongjiang Qianyi Technology Co., Ltd.
The operating company responsible for customer care, order support, and business correspondence relating to NGjkdue™.
Customer Care
Email: service@ngjkdue.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
Helping us review your request
For order updates, product guidance, return requests, warranty questions, or other support, include your order number, product name, and a clear description of your question or issue.
Before contacting us
- For order questions, include the order number and email address used at checkout.
- For damaged products or other product issues, provide clear photographs or a short video where possible.
- For a return request, review the Return & Refund Policy before sending anything back.
- Do not send complete payment-card numbers, account passwords, or other sensitive credentials by email.
Business correspondence
NGjkdue™ serves customers through ngjkdue.com.
A return location or service destination provided by Customer Care may differ from a business correspondence address.
Do not send a product to an address found online or printed on a shipping label unless written return authorization has been provided by Customer Care.
Questions or support
Contact service@ngjkdue.com. Please include your order number when your message relates to an existing purchase.