Jin Longguo (김용국) is a Korean-Chinese singer under Choon Entertainment.
- Name: Jin Longguo (金龙国)
- Korean Name: Kim Yongguk (김용국)
- Birthdate: March 2, 1996
- Birthplace: Jilin, China
- Blood Type: A
- Height: 175cm
- Weight: 57kg
- Hobbies: SF, watching thriller movies, gaming
- Specialties: Chinese, taking care of kittens
- Official Colors: PANTONE 302C + PANTONE 298C
- He was trainee for one year and six months prior to his appearance on Produce 101 Season 2.
- [2018.06.13] CLOVER
-  Produce 101 Season 2