How do I move from Guangzhou to Yiwu?

You are suggested to take high-speed train from Guangzhou South Railway Station, and arrive at the destination directly. The train schedules are 11:23, 13:34, 15:39 and 15:59. The trip takes nearly 7 hours. The ticket fares are the following:
second class seat: US$105
first class seat: US$173
business class seat: US$333