Xay Dung QT Group Joint Stock Company Address: 4th Floor, Central Point Building, No 219 Trung Kinh, Yen Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0111417769 Phone: 0814018493 Representative: Nguyen Duy Anh Yen Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 17 - 3 - 2026