Dau Tu Phat Trien Cong Nghe Thuong Mai Dai Duong Joint Stock Company Address: No 900, Nguyen Luong Bang Street, Van Dau Ward, Kien An District, Hai Phong City Enterprise code: 0201399881 Phone: 02256609649 Representative: Bui Duy Sy Adress: Le Duan 2 Civil Group, Quan Tru Ward, Kien An District, Hai Phong City Van Dau Ward, Kien An District, Hai Phong CityFounding date: 10 - 3 - 2014