Head Office:
172/1/15 Nguyen Tuan street, Thanh Xuan district, Ha Noi

Phone: (844) 3557 4683   Fax: (844) 3 557 4810

46/14 D2 road 25 ward, Binh Thanh district, Ho Chi Minh city
Phone: (848) 38 9999 50  Fax: (848)  3512 0346