Dau Tu Hoang Thanh Joint Stock Company Address: 79 B Tho Nhuom, Tran Hung Dao Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0102143060 Phone: 0983181833 Representative: Nghiem Xuan Hoang Adress: 79 B Tho Nhuom, Tran Hung Dao Ward, Hoan Kiem District, Ha Noi City Tran Hung Dao Ward, Hoan Kiem District, Ha Noi CityFounding date: 19 - 1 - 2007