Thank you for your interest in our services. I can confirm many of our users are China users. However, our main goal is to provide access to unrestricted internet while in China. As such, we do not offer a server located in China. Our closest server would be Hong Kong.
You can view all of our server locations here: https://www.goldenfrog.com/vyprvpn/features/vpn-server-locations
If you have any further questions, please let me know!