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Winwin promoting "The Vision" (2019)

Winwin (‎윈윈) is a Chinese singer under SM Entertainment. He is a member of the Korean pop boy group NCT and its sub-units NCT U, NCT 127, and WayV. He was formerly a member of the pre-debut team SM Rookies.


  • Stage Name: Win Win (‎윈윈‬/昀昀)
  • Birth Name: Dong Si Cheng (董寺丞)
  • Birthdate: October 28, 1997 (1997-10-28) (age 25)
  • Birthplace: Zhejiang, China
  • Blood Type: B
  • Height: 180cm
  • Weight: 60kg
  • Education:
    • Secondary School Of Beijing Dance Academy (Graduated)
    • Central Academy Of Drama (Current)


  • He lived in Beijing for 7 years.