Thiet Ke Vien Thong Tin Hoc Da Nang Joint Stock Company Address: 40 Le Loi, Thach Thang Ward, Hai Chau District, Da Nang City Enterprise code: 0400458958 Phone: 02156820888 Representative: Ho Xuan Phuong Adress: Civil Group 30, Thanh Binh Ward, Hai Chau District, Da Nang City Thach Thang Ward, Hai Chau District, Da Nang CityFounding date: 11 - 2 - 2004