Duong An LTD Address: No 68, Hang Ma Street, Hang Ma Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0102268542 Phone: 0249230705 Representative: Phan Anh Dung Adress: No 83, 149 Doi Can Lane, Doi Can Ward, Ha Noi City Hang Ma Ward, Hoan Kiem District, Ha Noi CityFounding date: 25 - 5 - 2007