Van Tai Xay Lap Hoang Ha Joint Stock Company Address: Civil Group 16, Yen So Ward, Hoang Mai District, Ha Noi City Enterprise code: 0101911922 Phone: 0246452739 Representative: Vu Toan Anh Adress: No 25, Mai Dong Street, Mai Dong Ward, Hoang Mai District, Ha Noi City Yen So Ward, Hoang Mai District, Ha Noi CityFounding date: 12 - 4 - 2006