He Thong Tu Dong Son Ha LTD Address: No 271, Vong Street, Dong Tam Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101275850 Phone: 0248688981 Representative: Phan Quy Giang Adress: No 5, Vong Street, Dong Tam Ward, Hai Ba Trung District, Ha Noi City Dong Tam Ward, Hai Ba Trung District, Ha Noi CityFounding date: 6 - 9 - 2002