Hoi Tin Hoc Viet Nam Address: No 1 Han Thuyen, Pham Dinh Ho Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0102261522 Phone: 0248211725 Representative: Nguyen Long Adress: No 1 Han Thuyen, Pham Dinh Ho Ward, Hai Ba Trung District, Ha Noi City Pham Dinh Ho Ward, Hai Ba Trung District, Ha Noi CityFounding date: 21 - 5 - 2007