Address [Head Office] 7164, 22 Teheran-ro 87-gil, Gangnam-gu, Seoul, Republic of Korea (Hantech, Korea City Airport Building, Samseong-dong) [Tokyo Office] 2-2-9 Komai, Oiso-machi, Naka-gun, Kanagawa, Japan (HANTECH) Hantech | Representative Byungjun Kim | Contact +82-2-6951-1665 | Email hantech1014@naver.com | Personal Information Manager Byungjun Kim | Business Registration Number 442-06-01700