Dau Tu Xay Dung Vien Thong Thang Long Joint Stock Company Address: No 21, BT4-3, Khu Nha O Trung Van Project, Trung Van Ward, Nam Tu Liem District, Ha Noi City Enterprise code: 0106636606 Phone: 0938208688 Representative: Nguyen Thi Hong Adress: Civil Group 1, Cluster 1, Tu Lien Ward, Tay Ho District, Ha Noi City Trung Van Ward, Nam Tu Liem District, Ha Noi CityFounding date: 12 - 9 - 2014