X-Fast LTD Address: 12th Floor, Diamond Flower Building, No 48, Le Van Luong Street, Moi N1 Urban Area, Yen Hoa Ward, Ha Noi Town, Viet Nam, Ha Noi City Enterprise code: 0111207521 Phone: 02992046153 Representative: Nguyen The Hung Yen Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 8 - 9 - 2025