How to take a train from Xiamen to Fuzhou?

Many bullet trains are operating between Xiamen and Fuzhou. And the trains are respectively departing from Xiamen station and Xiamen north station, while arriving at Fuzhou station and Fuzhou south station. For instance, the train D3214 is leaving from Xiamen Station and reaching Fuzhou south station. For more info., you could check on the web by yourself.