Dau Tu Co Dien Song Da Thang Long LTD Address: No 19, Civil Group 10, Khu A34, Phu Dien Ward, Bac Tu Liem District, Ha Noi City Enterprise code: 0105399776 Phone: 02437633662 Representative: Do Xuan Si Adress: Trung Hamlet, Tay Tuu Commune, Tu Liem District, Ha Noi City Phu Dien Ward, Bac Tu Liem District, Ha Noi CityFounding date: 11 - 7 - 2011