Truyen Thong Y Duoc Viet Nam Joint Stock Company Address: No 23B, Lane 81, Trung Kinh Street, Trung Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0101656366 Phone: 0247715142 Representative: Nguyen Thai Duong Adress: Civil Group 52, Yen Hoa Ward, Cau Giay District, Ha Noi City Trung Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 23 - 5 - 2005