Dau Tu Thuong Mai Va Dich Vu Hong Ngoc Joint Stock Company Address: 45 Bat Su, Hang Bo Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0102760930 Phone: 0249233146 Representative: Nguyen Thuy Hang Adress: 76 Hang Trong, Hoan Kiem District, Ha Noi City Hang Bo Ward, Hoan Kiem District, Ha Noi CityFounding date: 29 - 5 - 2008