Dau Tu Phat Trien Xay Dung Son Hai Joint Stock Company Address: Ngoai Hamlet, Cong Hoa Commune, Quoc Oai District, Ha Noi City Enterprise code: 0104968892 Phone: 02433945559 Representative: Vuong Dac Dong Cong Hoa Commune, Quoc Oai District, Ha Noi CityFounding date: 22 - 10 - 2010