Thuong Mai Va Dich Vu Ky Thuat Sao Mai LTD Address: No 3 Doc Xuan La, Xuan La Ward, Tay Ho District, Ha Noi City Enterprise code: 0101489059 Phone: 0249760289 Representative: Dinh Trong Hieu Adress: No 283, Hue Street, Phuong, Hue Street, Hai Ba Trung District, Ha Noi City Xuan La Ward, Tay Ho District, Ha Noi CityFounding date: 27 - 5 - 2004