Co Khi Xay Dung Va Thuong Mai Hoang Thanh Son Joint Stock Company Address: Co Duong Hamlet, Tien Duong Commune, Tien Duong Commune, Dong Anh District, Ha Noi City Enterprise code: 0102784427 Phone: 0249563718 Representative: Hoang Van Mau Adress: Co Duong Hamlet, Tien Duong Commune, Dong Anh District, Ha Noi City Tien Duong Commune, Dong Anh District, Ha Noi CityFounding date: 20 - 6 - 2008