Dich Vu Bao Ve An Ninh Dai Gia Joint Stock Company Address: No 101, Lane 49, Nguyen Khoai Street, Bach Dang Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101205211 Phone: 0248734785 Representative: Ngo Van Dung Adress: 1059, Ngo Gia Tu Street, Duc Giang Ward, Long Bien District, Ha Noi City Bach Dang Ward, Hai Ba Trung District, Ha Noi CityFounding date: 29 - 1 - 2002