Representing Singapore for the first time at the 2008 Summer Olympics in Beijing, she was a member of the silver medal-winning women's table tennis team, consisting of Li Jiawei, Feng Tianwei and herself.

[2][4] In December 2004 she relocated to Singapore under the Foreign Sports Talent Scheme as this offered her more opportunities to prove herself at the international level.

Wang made her inaugural appearance as a Singaporean on the International Table Tennis Federation (ITTF) Pro Tour in June 2005 at the Volkswagen Korean Open in Suncheon, South Korea, where she and Sun Beibei took the silver medal in the women's doubles.

[10] On 24 September, Wang achieved her first gold medal on the Pro Tour at the Japan Open in Yokohama, beating China's Guo Yan who was then the number one seed and ranked third in the world.

[12] Wang repeated her gold-winning feat against compatriot Li Jiawei on 12 November at the ITTF Pro Tour German Open in Bayreuth.

[3] Wang represented Singapore for the first time at the 2008 Summer Olympics in the women's table tennis team tournament with her teammates Feng Tianwei and Li Jiawei.

[19] On 17 August, Wang and her teammates gained Singapore a silver medal in women's table tennis after losing to China in three matches.

Seeded fifth in the tournament, Wang was expected to overcome Wu, ranked 50th in the world by the ITTF, without difficulty but made numerous unforced errors.

[22] At a victory celebration in Singapore on 25 August, Vivian Balakrishnan, the Minister for Community Development, Youth and Sports, announced that Wang, Feng and Li would be presented with the Pingat Jasa Gemilang (Meritorious Service Medal).

This is only the third time the medal will be awarded to athletes, the two previous recipients being weightlifter Tan Howe Liang (1962) and swimmer Joscelin Yeo (2006).

[25] On 22 November 2008, despite crashing out of the singles event earlier, Wang and her teammates Feng and Li won the top title and US$8,000 at the ITTF Pro Tour ERKE German Open in Berlin.

[28] On 24 May 2009, Wang and Yang Zi beat Gao Ning and Sun Beibei to the mixed doubles gold in an all-Singaporean final at the 18th Commonwealth Table Tennis Championships in Glasgow.

[36] Later in the year, she clinched the gold in the women's singles at the 2010 Japan Open of the ITTF Pro Tour on 4 July, beating Zhu Yuling 4–0 in less than half an hour.

[37] At the 2010 Commonwealth Games in Delhi, Wang and her colleagues Feng and Li beat the hosts to take the women's team gold medal on 8 October.

[41] Subsequently, at the 2010 Asian Games in Guangzhou, Wang and her teammates Feng and Li achieved the silver in the women's team event on 16 November.