Xay Dung Va Thuong Mai 501 Joint Stock Company Address: No 501, Vu Tong Phan Street, Khuong Dinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0111009167 Phone: 0989866501 Representative: Phan Van Chung Khuong Dinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 31 - 3 - 2025