Thuong Mai Va Dich Vu O To Song Hong LTD Address: No 236, Au Co Street, Quang An Ward, Tay Ho District, Ha Noi City Enterprise code: 0101616525 Phone: 0903407299 Representative: Bui Quang Dung Adress: Zoom 101 So 4B, Yen The Street, Dien Bien Ward, Ba Dinh District, Ha Noi City Quang An Ward, Tay Ho District, Ha Noi CityFounding date: 10 - 3 - 2005