Seoul Office:
2nd Floor, 11, Pungseong- Ro 20-Gil, Songpa-gu, Seoul, Korea.
Tel: 82-2-491-6214 - Cellular: 82-10-5287-1090
Vietnam Office
LANDMARK 6-12.OT08 at Vinhomes Central Park, 720A Dien Bien Phu Street, Ward 22, Binh Thanh District, Ho Chi Minh City
Tel: 84-8-3512-4160 - Cellular: 093.253.0770
Email: gas@sohntech.net