Dau Tu & Xay Dung Ruby House Joint Stock Company Address: No 6, Le Quang Dao Street, So 5 Civil Group, Tu Liem Ward, Ha Noi City, Viet Nam, Ha Noi City Enterprise code: 0111327272 Phone: 0827596999 Representative: Nguyen Van Manh Ha Noi CityFounding date: 27 - 12 - 2025