Zhou Jieqiong (born December 16, 1998), known professionally as Jieqiong or Kyulkyung (in Korean), is a Chinese singer based in South Korea signed under Pledis Entertainment. After finishing sixth in survival show Produce 101, she became a member of the girl group I.O.I. She is currently a member of the girl group Pristin and its subgroup Pristin V.
Zhou was born December 16, 1998 in Taizhou, Zhejiang, China. She attended the Affiliated Secondary School of the Shanghai Conservatory of Music, where she specialized in the pipa. In 2009, she was discovered by Pledis Entertainment scouts in Shanghai, and moved to South Korea. In 2017, she graduated with a performing arts degree from the School of Performing Arts Seoul.
Zhou participated in Mnet's survival television show, Produce 101, which aired from January 22 to April 1, 2016. Five of the participants from Pledis Entertainment were eliminated and only Zhou and Lim Na-young became part of the final line-up for the girl group I.O.I. Zhou ranked sixth with an overall of 218,338 votes. I.O.I made their debut on May 4 with the single, "Dream Girls".