What are the facilities available on Mainland China trains?

In high-speed trains (train numbers starting with G, D, C) the following facilities below are provided:

1. Air-conditioning
2. Chinese- and western-style restrooms
3. Adjustable seats
4. 220V AC sockets
5. Free hot water at the end of each carriage
6. Handicapped restroom and diaper-changing station on the 5th carriage
7. Restaurant car
8. WiFi (only available on Fuxinghao trains)

In regular trains the facilities below are provided:

1. Air-conditioning
2. Chinese-style toilets
3. Hot water
4. Restaurant car