I doubt there is a direct bus between Ningbo & Shenzhen.However, there is a train from Gaungzhou for Ningbo hard sleepers from about 350rmb.
Why do you not take train instead? Bus isn’t going to be a comfortable ride for these long journeys, and it’s more expensive than train.
If you can read Chinese, try Baidu.com. Search for buses.
I doubt there is a direct bus between Ningbo & Shenzhen.However, there is a train from Gaungzhou for Ningbo hard sleepers from about 350rmb.
Why do you not take train instead? Bus isn’t going to be a comfortable ride for these long journeys, and it’s more expensive than train.