Cong Nghe Va Dich Vu A&j LTD Address: 56, 47 Khuong Trung Lane, Khuong Dinh Ward, Ha Noi Town, Viet Nam, Ha Noi City Enterprise code: 0111269528 Phone: 0942364721 Representative: Mai Kim Ngan Ha Noi CityFounding date: 31 - 10 - 2025