China won four gold medals on Day 7 to remain on the top of the medals table.
Wang Shun won China's first men's swimming gold medal at Tokyo by triumphing in the men's 200m individual medley.
Zhu Xueying claimed the women's trampoline gold medal.
Wang Yilyu/Huang Dongping won the badminton mixed doubles.
Ma Long became the first male table tennis player to win back-back Olympic singles titles.
