Cai Yun (L) and Lu Kai of China react during the men's doubles final match against Lee Sheng Mu and Tsai Chia Hsin of Chinese Taipei at the OUE Singapore Open in Singapore Indoor Stadium, April 13, 2014. Cai Yun and Lu Kai won 2-0. (Xinhua/Then Chih Wey)

Cai Yun (R) and Lu Kai of China celebrate victory after the men's doubles final match against Lee Sheng Mu and Tsai Chia Hsin of Chinese Taipei at the OUE Singapore Open in Singapore Indoor Stadium, April 13, 2014. Cai Yun and Lu Kai won 2-0. (Xinhua/Then Chih Wey)

Cai Yun (2nd L) and Lu Kai (1st L) of China and Lee Sheng Mu and Tsai Chia Hsin (2nd R) of Chinese Taipei attend the medal ceremony after the men's doubles final match at the OUE Singapore Open in Singapore Indoor Stadium, April 13, 2014. Cai Yun and Lu Kai won 2-0. (Xinhua/Then Chih Wey)

Cai Yun (L) and Lu Kai of China compete during the men's doubles final match against Lee Sheng Mu and Tsai Chia Hsin of Chinese Taipei at the OUE Singapore Open in Singapore Indoor Stadium, April 13, 2014. Cai Yun and Lu Kai won 2-0. (Xinhua/Then Chih Wey)

Cai Yun (R) and Lu Kai of China attend the medal ceremony after the men's doubles final match against Lee Sheng Mu and Tsai Chia Hsin of Chinese Taipei at the OUE Singapore Open in Singapore Indoor Stadium, April 13, 2014. Cai Yun and Lu Kai won 2-0. (Xinhua/Then Chih Wey)

Cai Yun (R) and Lu Kai of China compete during the men's doubles final match against Lee Sheng Mu and Tsai Chia Hsin of Chinese Taipei at the OUE Singapore Open in Singapore Indoor Stadium, April 13, 2014. Cai Yun and Lu Kai won 2-0. (Xinhua/Then Chih Wey)