Xi Nghiep Xay Dung Cong Trinh 31 Address: No 271, Lane 35, Khuong Ha Street, Khuong Dinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0301465111-006 Phone: 0248113121 Representative: Vu Van Cuong Adress: 54B, 322 Le Trong Tan Lane, Thanh Xuan District, Ha Noi City Khuong Dinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 11 - 11 - 2005