Cong Nghe J&B Joint Stock Company Address: O So 03, Khu N1, 40 Xuan La, Xuan Tao Ward, Bac Tu Liem District, Ha Noi City Enterprise code: 0109156090 Phone: 02033969088 Representative: Nguyen Van Cuong Adress: No 138a Quan Nhan, Nhan Chinh Ward, Thanh Xuan District, Ha Noi City Xuan Tao Ward, Bac Tu Liem District, Ha Noi CityFounding date: 13 - 4 - 2020