Thiet Bi Giao Duc Khuyen Hoc Viet Nam Joint Stock Company Address: P203 Nha 8C So 30 Ta Quang Buu, Bach Khoa Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101459512 Phone: 0248684410 Representative: Nguyen Cao Trung Adress: 373/14a Nguyen Kiem P.9, Phu Nhuan District, Ho Chi Minh City Bach Khoa Ward, Hai Ba Trung District, Ha Noi CityFounding date: 29 - 3 - 2004