Phat Trien Cong Nghe Xay Dung Hoang Son Joint Stock Company Address: Nguyen Khe Hamlet, Nguyen Khe Commune, Dong Anh District, Ha Noi City Enterprise code: 0102152812 Phone: 0248821647 Representative: Nguyen Van Son Adress: Nguyen Khe Hamlet, Nguyen Khe Commune, Dong Anh District, Ha Noi City Nguyen Khe Commune, Dong Anh District, Ha Noi CityFounding date: 1 - 2 - 2007