Jiang Wenwen (L) and Jiang Tingting of China competes during the Artistic Swimming Women's Duets contest at the 18th Asian Games in Jakarta, Indonesia, Aug. 28, 2018. (Photos: Xinhua)

Jiang Wenwen and Jiang Tingting of China competes during the Artistic Swimming Women's Duets contest at the 18th Asian Games in Jakarta, Indonesia, Aug. 28, 2018.

Jiang Wenwen (3rd R) and Jiang Tingting (3rd L) of China pose for photos during victory ceremony for the Artistic Swimming Women's Duets at the 18th Asian Games in Jakarta, Indonesia, Aug. 28, 2018.

Jiang Wenwen and Jiang Tingting of China competes during the Artistic Swimming Women's Duets contest at the 18th Asian Games in Jakarta, Indonesia, Aug. 28, 2018.

China's Jiang Wenwen and Jiang Tingting perform during the duet free routine synchronized swimming final competition at the 18th Asian Games at Gelora Bung Karno Sports Complex in Jakarta, Indonesia, Tuesday, Aug. 28, 2018. (Photos: VCG)

Gold medallist Jiang Wenwen and Jiang Tingting of China pose for photo during Artistic Swimming Women's Duets Technical Routine on day ten of the Asian Games on August 28, 2018 in Jakarta, Indonesia.

China's Jiang Wenwen and Jiang Tingting compete in the artistic swimming women's duets final competition during the 2018 Asian Games in Jakarta on August 28, 2018.

China's Jiang Wenwen and Jiang Tingting compete in the artistic swimming women's duets final competition during the 2018 Asian Games in Jakarta on August 28, 2018.

Gold medallist Jiang Wenwen and Jiang Tingting of China pose for photo during Artistic Swimming Women's Duets Technical Routine on day ten of the Asian Games on August 28, 2018 in Jakarta, Indonesia.

China's Jiang Wenwen and Jiang Tingting compete in the artistic swimming women's duets final competition during the 2018 Asian Games in Jakarta on August 28, 2018.