Vien Thong Thanh Dat LTD Address: No 170, Bach Mai Street, Cau Den Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101540403 Phone: 0246226152 Representative: Pham Thi Nhung Adress: Ga Trung Gia, Trung Gia Commune, Soc Son District, Ha Noi City Cau Den Ward, Hai Ba Trung District, Ha Noi CityFounding date: 14 - 10 - 2004