Trung Tam Tu Van Xay Dung 80 Address: 7th Floor So 134, Mai Anh Tuan Street, O Cho Dua Ward, Dong Da District, Ha Noi City Enterprise code: 0101211906 Phone: 0245146695 Adress: Hung Loc Hamlet, Quang Hung Commune, Quang Trach District, Quang Binh Province O Cho Dua Ward, Dong Da District, Ha Noi CityFounding date: 7 - 3 - 2002