Dau Tu Va Cong Nghe Viettop Joint Stock Company Address: No 618, Hoang Hoa Tham Street, Buoi Ward, Tay Ho District, Ha Noi City Enterprise code: 0109186698 Phone: 02037122286 Representative: Le Thi Thanh Tra Adress: Khoi 250, Quang Tien Ward, Thai Hoa Town, Nghe An Province Buoi Ward, Tay Ho District, Ha Noi CityFounding date: 20 - 5 - 2020