San Xuat Va Thuong Mai Song Son Joint Stock Company Address: No 20 Nguyen Ngoc Nai, Khuong Mai Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0102173065 Phone: 02422183068 Representative: Ha Thuy Phuong Adress: P 101, A3 Tap The Khuong Thuong, Trung Tu Ward, Dong Da District, Ha Noi City Khuong Mai Ward, Thanh Xuan District, Ha Noi CityFounding date: 28 - 2 - 2007