Thuong Mai Va Dich Vu HT Toan Cau Joint Stock Company Address: No 26B, Alley 12, Lane 3, Nhan Hoa Street, Nhan Chinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0105574347 Phone: 02439946865 Representative: Tran Hoai Thu Adress: P12-N1, Hoang Cau Street, O Cho Dua Ward, Dong Da District, Ha Noi City Nhan Chinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 17 - 10 - 2011