Dau Tu Phat Trien Cong Nghe Xay Dung Joint Stock Company Address: Lot 18, Nam Dong Ha Urban Area, Dong Luong Ward, Dong Ha City, Quang Tri Province Enterprise code: 3200264781 Phone: 02333577555 Representative: Pham Van Thien Adress: Quarter 1, Dong Luong Ward, Dong Ha City, Quang Tri Province Dong Luong Ward, Dong Ha City, Quang Tri ProvinceFounding date: 7 - 6 - 2007