Dau Tu San Xuat Va Phat Trien Vat Lieu Xay Dung Dong Thuan Joint Stock Company Address: Van La Hamlet, Hong Van Commune, Thuong Tin District, Ha Noi City Enterprise code: 0105193648 Phone: 02436246799 Representative: Bui Trong Son Adress: No 4 Tap The Ngan Hang, Chuong Duong Ward, Hoan Kiem District, Ha Noi City Hong Van Commune, Thuong Tin District, Ha Noi CityFounding date: 15 - 3 - 2011