Dau Tu Va Phat Trien Vat Lieu Vien Dong LTD Address: No 1D, Lane 144, Bach Dang Street, Chuong Duong Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0101381062 Phone: 0248245338 Representative: Tran Viet Hung Chuong Duong Ward, Hoan Kiem District, Ha Noi CityFounding date: 9 - 7 - 2003