Hoi Cuu Tro Tre Em Khuyet Tat Thanh Pho Ha Noi Address: No 1 Ton That Thuyet, Dich Vong Hau Ward, Cau Giay District, Ha Noi City Enterprise code: 0108520043 Phone: 02437956491 Representative: Tran Thi Minh Phuong Adress: No 9, 91/50 Nguyen Chi Thanh Lane, Dong Da District, Ha Noi City Dich Vong Hau Ward, Cau Giay District, Ha Noi CityFounding date: 20 - 11 - 2018