China's Guo Yan reacts during the women's team group A match against Sarah Kainz of Austria at the 50th World Team Table Tennis Championships in Moscow, capital of Russia, May 26, 2010. Guo won 3-0 and China won 3-0. (Xinhua/Tao Xiyi)

China's Guo Yan returns a shot to Sarah Kainz of Austria during the women's team group A match at the 50th World Team Table Tennis Championships in Moscow, capital of Russia, May 26, 2010. Guo won 3-0 and China won 3-0. (Xinhua/Tao Xiyi)

China's Li Xiaoxia returns a shot to Martina Petzner of Austria during the women's team group A match at the 50th World Team Table Tennis Championships in Moscow, capital of Russia, May 26, 2010. Li won 3-0 and China won 3-0. (Xinhua/Tao Xiyi)

China's Ding Ning returns a shot to Li Qiangbing of Austria during the women's team group A match at the 50th World Team Table Tennis Championships in Moscow, capital of Russia, May 26, 2010. Ding won 3-0 and China won 3-0. (Xinhua/Tao Xiyi)