Dau Tu Phat Trien Cong Nghe VNN LTD Address: No 247 Hang Kenh, Hang Kenh Ward, Le Chan District, Hai Phong City Enterprise code: 0201401964 Phone: 02253844442 Representative: Tran Vinh Adress: No 5/48/50 Ha Ly, Ha Ly Ward, Hong Bang District, Hai Phong City Hang Kenh Ward, Le Chan District, Hai Phong CityFounding date: 13 - 3 - 2014