Cong Nghe Va Thuong Mai Bellsmart LTD Address: No 143 Dang Tien Dong, Phuong, Dong Da District, Ha Noi City Enterprise code: 0111407217 Phone: 0967216402 Representative: Phan Thi Hoa Dong Da Ward, Dong Da District, Ha Noi CityFounding date: 11 - 3 - 2026