Hey there,
We don't have any servers in China itself as they weren't performing so well. If you need to use the VPN to connect OUT of China, we recommend using the XCloak USA / Japan servers, as they are specially built to bypass the Great Firewall of China.
If you need, we also have Shadowsocks servers that will definitely work in China, drop us a line at support@bolehvpn.net and we'll help you get setup.