Tu Van Dau Tu Va Cong Nghe Truong An LTD Address: 2nd Floor, Khach San Bao Son, 50 Nguyen Chi Thanh, P. Lang Thuong, Lang Thuong Ward, Dong Da District, Ha Noi City Enterprise code: 0101166347 Phone: 02422184999 Representative: Do Xuan Truong Adress: Hamlet 5, Chang Son Commune, Thach That District, Ha Noi City Lang Thuong Ward, Dong Da District, Ha Noi CityFounding date: 8 - 10 - 2001