Date of Birth: 
Place of Birth: Wenzhou, Zhejiang, China
About Cai Tongtong
- Cai Tongtong (Chinese: ???; pinyin: Cà i Tóngtóng; born February 7, 1990 in Wenzhou, Zhejiang) is a Chinese rhythmic gymnast.
- She won the group championships at the 2006 National Group Championships. She represented China at the 2008 Summer Olympics and won a silver medal in the group competition.
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