Giao Duc Harmony Edu LTD Address: 40 Thi Sach, Hai Ba Trung Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0111452114 Phone: 0333267520 Representative: Nguyen Minh Ngoc Hai Ba Trung District, Ha Noi CityFounding date: 8 - 4 - 2026