In Thiet Bi Giao Duc Khuyen Hoc Joint Stock Company Address: No 16 Civil Group 24, Yen Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0101552977 Phone: 0246625706 Representative: Thanh Xuan Minh Adress: No 138a Giang Vo, Kim Ma Ward, Ba Dinh District, Ha Noi City Yen Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 5 - 11 - 2004