Dau Tu Cong Nghe Va Phat Trien Trang An Joint Stock Company Address: No 954, Lang Street, Lang Thuong Ward, Dong Da District, Ha Noi City Enterprise code: 0107665543 Phone: 0915048379; 0166617629 Representative: Nguyen Nhu Long Adress: 216, Lang To 11 Street, Lang Thuong Ward, Dong Da District, Ha Noi City Lang Thuong Ward, Dong Da District, Ha Noi CityFounding date: 15 - 12 - 2016