These three links can help you get know about China Train very well.
1. China Train http://www.travelchinaguide.com/picture/china-trains.htm
2. China train numbers http://www.dearpassengers.com/chnrail/chnrailnumbers/
3. China train tickets http://www.dearpassengers.com/chnrail/chnrailticketmakingsense/
