Trung Tam Nghien Cuu, Tu Van Va Giao Duc Dac Biet Khanh Tam Address: C16 To 102 Hoang Cau, O Cho Dua Ward, Dong Da District, Ha Noi City Enterprise code: 0109772903 Phone: 02422427217 Representative: Le Thi Hoa O Cho Dua Ward, Dong Da District, Ha Noi CityFounding date: 12 - 10 - 2021