Dau Tu Va Xay Dung Tam Son Joint Stock Company Address: No 2a Pham Su Manh, Phan Chu Trinh Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0101567726 Phone: 02439364945 Representative: To Viet Son Adress: No 4C, Lane 6, An Hoa Street, Mo Lao Ward, Ha Dong District, Ha Noi City Phan Chu Trinh Ward, Hoan Kiem District, Ha Noi CityFounding date: 19 - 11 - 2004