Thuong Mai Cong Nghe Hoang Hoa Joint Stock Company Address: 527 Hoang Hoa Tham, Vinh Phuc Ward, Ba Dinh District, Ha Noi City Enterprise code: 0100979565 Phone: 0247610637 Representative: Tran Nguyen Ngoc Adress: 527 Hoang Hoa Tham, Ba Dinh District, Ha Noi City Vinh Phuc Ward, Ba Dinh District, Ha Noi CityFounding date: 24 - 3 - 2000