The train links Guangzhou, a business hub in southern China near Hong Kong, with capital Beijing.
The maximum speed of train is 394.2 kmph, it's the fastest train in operation in the world.
In comparison, the average for high-speed trains in Japan was 243 kmph while in France it was 277 kmph.
In September, officials said they planned to build 42 high-speed lines by 2012 in a massive system overhaul as part of efforts to spur economic growth amid the global downturn.