Dau Tu Xay Dung NTK Viet Nam Joint Stock Company Address: No 28, Lane 50, Kim Giang Street, Khuong Dinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0111264745 Phone: 0973754268 Representative: Nguyen Trung Kien Khuong Dinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 29 - 10 - 2025