Hoan Kiem Ha Bac Joint Stock Company Address: No 71, Hang Thiec Street, Hang Gai Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0105756481 Phone: 02438285440 Representative: Tran Trong Thao Hang Gai Ward, Hoan Kiem District, Ha Noi CityFounding date: 3 - 1 - 2012