Dau Tu Xay Dung Va Thuong Mai Thien An Viet LTD Address: No 16 Bao Khanh, Hang Trong Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0105585740 Phone: 02833446466 Representative: Trinh Thi Ha Adress: Van Long Hamlet, Cam Van Commune, Cam Thuy District, Thanh Hoa Province Hang Trong Ward, Hoan Kiem District, Ha Noi CityFounding date: 25 - 10 - 2011