Contact Us
Last updated: October 10, 2026
Customer support
Email us for order, delivery, return or product questions. Service hours are 9am–5pm Eastern Time (ET, observing daylight saving where applicable). We aim to answer most emails within one business day; holidays or busy periods may take longer. Check your spam folder if you have not received a reply.
Help us find your order
Include your order number, the email used at checkout and a short description of the issue. Attach clear photos for a damaged or incorrect item. Do not email your password or full card number.
Useful information
Use the links below for delivery costs and timing, return instructions and order tracking. For a return, contact us first to confirm instructions and the correct return address.
Business details
Our registered address identifies the business and is not automatically a return address. Please follow the return instructions supplied by support.
GAOZHISHENG TECHNOLOGY INC · Averlynco
6377 South Revere ParkwayCentennial, CO 80111
United States