Thuong Mai Tin Hoc Va Ky Thuat Cong Nghe Tan Duong Joint Stock Company Address: No 47, Ho Tung Mau Street, Mai Dich Ward, Cau Giay District, Ha Noi City Enterprise code: 0101430496 Phone: 0247686511 Representative: Do Thuy Ha Adress: Giap Ba Hamlet, Bach Ha Commune, Phu Xuyen District, Ha Noi City Mai Dich Ward, Cau Giay District, Ha Noi CityFounding date: 25 - 12 - 2003