Dau Tu Thuong Mai Va Cong Nghe Xay Dung Thang Long Joint Stock Company Address: No 19 Civil Group 84, Khuong Trung Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0102264379 Phone: 0979424168 Representative: Nguyen Duc Trieu Adress: Hamlet 13, Vai Hamlet, Hop Thanh Commune, My Duc District, Ha Noi City Khuong Trung Ward, Thanh Xuan District, Ha Noi CityFounding date: 22 - 5 - 2007