Sun Yang of China celebrates after winning the gold medal at men's 200m freestyle final at the GBK Aquatics Center in Jakarta, Indonesia on Aug 19, 2018. [Photo/Xinhua]

Three Chinese athletes from Zhejiang province claimed victory at swimming events on the first day of 2018 Asian Games in Jakarta, Indonesia.

Chinese swimmer Sun Yang claimed the gold medal in the 200m freestyle event at the 2018 Asian Games.

Liu Yaxin of China wins gold medal at women's 200m backstroke final of the 2018 Asian Games.

Xu Jiayu of China wins gold medal of Men's 100m Backstroke Final in 18th Asian Games.

Liu Yaxin competes at women's 200m backstroke final of the 2018 Asian Games in Jakarta, Indonesia on Aug 19, 2018. [Photo/Xinhua]

Xu Jiayu of China celebrates after winning the gold medal of men's 100m backstroke final in the 18th Asian Games in Jakarta, Indonesia, Aug 19, 2018. [Photo/Xinhua]