Tu Dong Hoa Va Thiet Bi Giao Duc Dong Duong LTD Address: No 126, Hoang Cong Chat Street, Phu Dien Ward, Bac Tu Liem District, Ha Noi City Enterprise code: 0102137518 Phone: 0247630376 Representative: Luong Dinh Dong Phu Dien Ward, Bac Tu Liem District, Ha Noi CityFounding date: 15 - 1 - 2007