Dich Vu Khoa Hoc Ky Thuat Olympia LTD Address: No 28, 125 Nguyen Ngoc Vu Lane, Trung Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0105736125 Phone: 0972236308 Representative: Do Manh Cuong Adress: No 126, Tran Duy Hung Street, Trung Hoa Ward, Cau Giay District, Ha Noi City Trung Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 15 - 12 - 2011