Xay Dung Truong Son Dong LTD Address: No 260 Hoang Van Thai, Khuong Mai Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0101233730 Phone: 0903464617 Khuong Mai Ward, Thanh Xuan District, Ha Noi CityFounding date: 3 - 5 - 2002