Dau Tu San Xuat & Thuong Mai Hoan Hao Joint Stock Company Address: No 12, Lane 139, Tan Mai Street, Tan Mai Ward, Hoang Mai District, Ha Noi City Enterprise code: 0105453712 Phone: 02462840916 Representative: Bui Quang Huy Adress: Gia Coc Hamlet, Quang Vinh Commune, An Thi District, Hung Yen Province Tan Mai Ward, Hoang Mai District, Ha Noi CityFounding date: 16 - 8 - 2011