Thuong Mai Higraph Viet Nam Joint Stock Company Address: No 115 Nguyen Khang, Yen Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0105233058 Phone: 0383184897 Representative: Do Dang Hung Adress: Giua Hamlet, Dai Vy Hamlet, Tien Du District, Bac Ninh Province Yen Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 1 - 4 - 2011