Dau Tu Techno Viet Nam Joint Stock Company Address: No 45, Le Van Luong Street, Civil Group 31, Trung Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0106977797 Phone: 02435551721 Representative: Bui Duy Hiep Adress: No 45, Le Van Luong Street, Civil Group 31, TH, CG Trung Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 5 - 9 - 2015