Tu Van Dau Tu Va Xay Dung Duong Sang Joint Stock Company Address: Nha 248/3/6, Quarter 7, Dong Thanh Ward, Dong Ha City, Quang Tri Province Enterprise code: 3200435356 Phone: 02333524174 Representative: Le Dinh Tung Dong Thanh Ward, Dong Ha City, Quang Tri ProvinceFounding date: 10 - 3 - 2010