Dau Tu Va Phat Trien Cong Nghe Hoang Nguyen Joint Stock Company Address: No 6, Alley 11, Lane 65, Khuong Dinh Street, Khuong Dinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0108297236 Phone: 0987381812 Representative: Bui Thi Thuy Khuong Dinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 29 - 5 - 2018