Dau Tu Xay Dung Huy Hieu Joint Stock Company Address: 21th Floor, Capital Tower Building, No 109 Tran Hung Dao, Cua Nam Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0105838487 Phone: 02462768768 Representative: Hoang Van Sau Adress: Dai Tu Hamlet, Dai Tu Commune, Yen Lac District, Vinh Phuc Province Cua Nam Ward, Hoan Kiem District, Ha Noi CityFounding date: 28 - 3 - 2012