Dau Tu Xay Dung Duc Thang Joint Stock Company Address: Khu 7, Tram Troi Town, Hoai Duc District, Ha Noi City Enterprise code: 0500380631 Phone: 02433861817 Representative: Nguyen Danh Chi Adress: Hamlet 7, Duong Lieu Commune, Hoai Duc District, Ha Noi City Tram Troi Town, Hoai Duc District, Ha Noi CityFounding date: 19 - 9 - 2000