We Would Love to Hear from You
Questions, suggestions or partnership ideas — we read every message. Your message is sent to our official mailbox and we reply as soon as we can.
Contact Information
Office address
15F, Building A, Qingchuang Tower, Shahe Higher Education Park, Changping District, Beijing, China
Phone
Support: 15648858980
Business: 15648858979
Support / feedback: 48456900@qq.com
Business: 48456900@qq.com
Online support
Monday to Friday 9:00–21:00
Scan a QR code below for instant help
Office hours
Monday to Friday9:00 – 18:00
Weekends & holidaysEmail us — we reply quickly
Send a Message
Our location
You Are Welcome to Visit
15F, Building A, Qingchuang Tower, Shahe Higher Education Park, Changping District, Beijing, China
Please book ahead so we can arrange a visit
FAQ
Quick Answers
How do I get the KuaiJiZi products?
Both tools are distributed officially through Microsoft Store: KuaiJiZi C++ Tutor and Kuaijizi 3D English Blocks. Click the store button on the Products page to download. For the Android tablet version, contact our support team.
How fast is technical support?
On working days 9:00–18:00 we usually reply to common questions within 2 hours and to complex issues within 24 hours. For urgent problems, call our support line directly.
Do you offer discounts or custom services for institutions?
Yes. We offer volume licensing and custom services (e.g. custom word lists, custom blocks and teaching content) for schools and learning centers. Contact us via the business channel (48456900@qq.com) and an education consultant will prepare a proposal.
How can I report a problem or share feedback?
Fill in the form on this page to send a message to 48456900@qq.com, or use the “Report / Feedback” entry inside the apps. We read every piece of feedback.
