Dau Tu Son Thinh LTD Address: No 9, Lane 357, Nguyen Tam Trinh Street, Hoang Van Thu Ward, Hoang Mai District, Ha Noi City Enterprise code: 0105589953 Phone: 02436367321 Representative: Tran Viet Dung Hoang Van Thu Ward, Hoang Mai District, Ha Noi CityFounding date: 25 - 10 - 2011