Thuong Mai Va Dich Vu Vien Thong Hung An LTD Address: No 131, Phuong Mai Street, Phuong Mai Ward, Dong Da District, Ha Noi City Enterprise code: 0104226298 Phone: 02422604999 Representative: Tran Duc Hung Adress: No 131, Phuong Mai Street, Phuong Mai Ward, Dong Da District, Ha Noi City Phuong Mai Ward, Dong Da District, Ha Noi CityFounding date: 29 - 10 - 2009