Cong Nghe HHN Viet Nam Joint Stock Company Address: No 11, 20/14, Ho Tung Mau Street, Mai Dich Ward, Cau Giay District, Ha Noi City Enterprise code: 0110641246 Phone: 0977241091 Representative: Luong Duc Van Mai Dich Ward, Cau Giay District, Ha Noi CityFounding date: 7 - 3 - 2024