Dau Tu Xay Dung Buu Chinh Vien Thong Joint Stock Company Address: 69 Ngo Tat To, Ward 21, Binh Thanh District, Ho Chi Minh City Enterprise code: 0302905164 Phone: 0288401441; 0288994561 Representative: Ha Hoang The Quang Adress: 20 Nguyen Nhat Dat, Tay Thanh Ward, Tan Phu District, Ho Chi Minh City Ward 21, Binh Thanh District, Ho Chi Minh CityFounding date: 23 - 4 - 2003