Xay Dung Va Thuong Mai Hoang Tam An LTD Address: No 2, Lane 62, 445 Nguyen Khang Alley, Yen Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0102368258 Phone: 0989331505 Representative: Tran Quang Tu Adress: Khu, A34 Town, Di Trach Commune, Hoai Duc District, Ha Noi City Yen Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 21 - 9 - 2007