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

2nd Floor, Charm Suite Saigon, 330A-330B Ung Van Khiem Street, Ward 25, Binh Thanh Dist, HCMC , Vietnam.
Tel:  84-8-3512-4160   -  Cellular: 093.253.0770

Email: gas@sohntech.net