Thuong Mai Va Xay Dung Duy Son LTD Address: No 5, Civil Group 28, Tap The Van Cong, Quan Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0101255156 Phone: 0248333465 Representative: Nguyen Dinh Ngoc Adress: Phu Thuy, Phu Thi Commune, Gia Lam District, Ha Noi City Quan Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 28 - 6 - 2002