Thuong Mai Va Xay Dung Ngoc Ngan Son LTD Address: No 276 Truong Chinh, Khuong Thuong Ward, Dong Da District, Ha Noi City Enterprise code: 0101937455 Phone: 0248530984 Representative: Nguyen Huu Duc Adress: No 73 Tap The Fafilm, Khuong Trung Ward, Thanh Xuan District, Ha Noi City Khuong Thuong Ward, Dong Da District, Ha Noi CityFounding date: 11 - 5 - 2006