Dau Tu Xay Dung Va Dich Vu Hoang Thanh Joint Stock Company Address: No 7, Trung Yen 10B Street, Yen Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0102001891 Phone: 0247831198 Representative: Nguyen Nhu Hoang Adress: No 33/103, Ngo, Dan 2 Commune, Nam Dong Ward, Dong Da District, Ha Noi City Yen Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 28 - 7 - 2006