Tam Tam Joint Stock Company Address: No 105 An Duong, Yen Phu Ward, Tay Ho District, Ha Noi City Enterprise code: 0101361891 Phone: 0247165505 Representative: Do Thanh Tra Adress: No 1B, Ngu Xa Street, Truc Bach Ward, Ba Dinh District, Ha Noi City Yen Phu Ward, Tay Ho District, Ha Noi CityFounding date: 20 - 5 - 2003