Dau Tu Va Tu Van Khoa Hoc Ky Thuat NK - Nhat Han LTD Address: No 297, Bach Mai Street, Bach Mai Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0106648739 Phone: 0923500999 Representative: Nguyen Thi Nhung Adress: No 4B, Hoang Dieu Street, Quan Thanh Ward, Ba Dinh District, Ha Noi City Bach Mai Ward, Hai Ba Trung District, Ha Noi CityFounding date: 25 - 9 - 2014