KeunChang SONG@sol2man2Republic of KoreaFollowAboutCurrentLG ElectronicsEducationKangwon National University, Chunchŏn Badgessol2man2 has not unlocked any badges yet. Certificationssol2man2 has not earned any certificates yet. Work ExperienceChief Engineerlg electronics• 2000EducationKangwon National University, Chunchŏn