Van Tai, Thuong Mai Va Xay Dung Truong Son Joint Stock Company Address: No 97 Nguyen Thai Hoc, Dien Bien Ward, Ba Dinh District, Ha Noi City Enterprise code: 0101456328 Phone: 0247334102 Representative: Dam Van Son Adress: Khu 1, Me Linh Town, Me Linh District, Ha Noi City Dien Bien Ward, Ba Dinh District, Ha Noi CityFounding date: 23 - 3 - 2004