Thiet Bi Giao Duc Hai Ha Joint Stock Company Address: No 79, Tran Dai Nghia Street, Bach Khoa Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101058976 Phone: 02438699364 Representative: Pham Anh Vy Adress: No 52 Civil Group 30, Mai Dong Ward, Hoang Mai District, Ha Noi City Bach Khoa Ward, Hai Ba Trung District, Ha Noi CityFounding date: 13 - 10 - 2000