Thuong Mai Dich Vu Vien Thong Dai Thang LTD Address: No 23/134, Le Trong Tan Street, Khuong Mai Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0107791883 Phone: 0963466666 Representative: Pham Chien Thang Adress: 412-B2 Tap The Nghia Tan, Nghia Tan Ward, Cau Giay District, Ha Noi City Khuong Mai Ward, Thanh Xuan District, Ha Noi CityFounding date: 7 - 4 - 2017