Date of Birth: 
About Duan Siying
- Duan Siying (Chinese: ???) (June 1917 – December 25, 2007) was a People's Liberation Army major general and People's Republic of China politician.
- He was born in Yanchuan County, Yan'an, Shaanxi Province.
- He was Communist Party of China Committee Secretary and Mayor of Chongqing.
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