Thiet Ke Va Dau Tu Thang Long Joint Stock Company Address: No 2, Civil Group 21, Cluster 3, Phu Thuong Ward, Tay Ho District, Ha Noi City Enterprise code: 0103239840 Phone: 0903228585 Representative: Le Tien Dung Phu Thuong Ward, Tay Ho District, Ha Noi CityFounding date: 4 - 2 - 2009