Whats the best way to travel from Xiamen to Zhongshan ?

You are suggested to take a plane to get to Guangzhou Airport first.
Then take the long-distance bus at the airport and arrive at the destination directly. The bus schedules are from 08:30 to 18:40 with the frequency of an hour. It takes around 150 mins on the way. The ticket fare is CNY 70 per person.