Viet Yen LTD Address: No 302, Thuy Khue Street, Buoi Ward, Tay Ho District, Ha Noi City Enterprise code: 0101362510 Phone: 0247537038 Adress: 21, Hang Ca Street, Hang Dao Ward, Hoan Kiem District, Ha Noi City Buoi Ward, Tay Ho District, Ha Noi CityFounding date: 20 - 5 - 2003