Thuong Mai Ha Son Joint Stock Company Address: No 47, Lane 61, Tran Duy Hung Street, Trung Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0101442597 Phone: 0245564042 Representative: Nguyen Van Dung Adress: No 4B, Pho, Thanh Street, Cua Dong Ward, Hoan Kiem District, Ha Noi City Trung Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 19 - 2 - 2004