He Thong Viet Nam Joint Stock Company Address: No 21/84, Linh Nam Street, Mai Dong Ward, Hoang Mai District, Ha Noi City Enterprise code: 0101598604 Phone: 0248628010 Representative: Tran Anh Dung Adress: Zoom 501 C3, Giap Bat Town, Giap Bat Ward, Hoang Mai District, Ha Noi City Mai Dong Ward, Hoang Mai District, Ha Noi CityFounding date: 20 - 1 - 2005