Tu Van Viet Sao Joint Stock Company Address: No 41, Civil Group 58, Mai Anh Tuan Street, Thanh Cong Ward, Ba Dinh District, Ha Noi City Enterprise code: 0105141304 Phone: 02435149985 Representative: Nguyen Thi Thu Hoan Adress: No 4, B2, Ho Ca Thanh Cong, Thanh Cong Ward, Ba Dinh District, Ha Noi City Thanh Cong Ward, Ba Dinh District, Ha Noi CityFounding date: 27 - 1 - 2011