Defending champion Jelena Jankovic will come to the tournament for the fourth time, and aims to be the first player to retain her title in the history of the Guangzhou open, reports Xinhua.
Sara Errani, who jointly with Vinci holds the women's tennis doubles Grand Slam title, will also attend the event for the second consecutive year.
Also in the doubles, 'Swiss princess' Hingis is set to play again this year.
The Guangzhou Open, one of the oldest international professional women's tennis tournaments in China, was founded as a WTA International tournament in 2004.
A total of $225,000 in prize money, in addition to 280 points in the world rankings, are up for grabs at the tournament.
Ticket sales are also underway, for both packages and one-day tickets.
