Truong Son Joint Stock Company Address: 2 So Thuong Hamlet, Yen So, Hoang Mai District, Ha Noi City Enterprise code: 0101242943 Phone: 0246450403 Representative: Dang Thanh Son Adress: 2 So Thuong Hamlet, Yen So, Hoang Mai District, Ha Noi City Yen So Ward, Hoang Mai District, Ha Noi CityFounding date: 23 - 5 - 2002