Thuong Mai Va Cong Nghe Tan Thanh An LTD Address: No 98B Nguyen Thai Hoc, Dien Bien Ward, Ba Dinh District, Ha Noi City Enterprise code: 0101341782 Phone: 0903435615 Representative: Chu Van Hung Dien Bien Ward, Ba Dinh District, Ha Noi CityFounding date: 19 - 3 - 2003