Thuong Mai Va Du Lich Si-Ren Joint Stock Company Address: No 6- A1, Hoang Cau Street, O Cho Dua Ward, Dong Da District, Ha Noi City Enterprise code: 0101212748 Phone: 0245112632 Representative: Dao My Dung Adress: 6a1hoang Cau, O Cho Dua Ward, Dong Da District, Ha Noi City O Cho Dua Ward, Dong Da District, Ha Noi CityFounding date: 14 - 3 - 2002