Ung Dung Khoa Hoc Viet Nam LTD Address: No 91, Phan Van Truong Street, Dich Vong Hau Ward, Cau Giay District, Ha Noi City Enterprise code: 0108247179 Phone: 02435659140 Representative: Nguyen Duc Viet Dich Vong Hau Ward, Cau Giay District, Ha Noi CityFounding date: 24 - 4 - 2018