Dau Tu Phat Trien Dich Vu Vien Thong Ha Noi Joint Stock Company Address: Long Phu Hamlet, Hoa Thach Commune, Quoc Oai District, Ha Noi City Enterprise code: 0105639467 Phone: 02433676789 Representative: Nguyen Tuan Quyet Adress: Long Phu Hamlet, Hoa Thach Commune, Quoc Oai District, Ha Noi City Hoa Thach Commune, Quoc Oai District, Ha Noi CityFounding date: 16 - 11 - 2011