Vien Huyet Hoc - Truyen Mau Trung Uong Address: Yen Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0101474609 Phone: 02438685582 Yen Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 23 - 4 - 2004