Korea: S1 EXPRESS 5, GAEHWADONG-RO 11-GIL, GANGSEO-GU, SEOUL, KOREA

Phone: (82)1644-4368

VIETNAM: FL 26, HANDICO TOWER, ME TRI HA, PHAM HUNG STREET, NAM TU LIEM, HA NOI, VIET NAM

Phone: (84)914-241-589.

Email: kr@s1express.com