Buoi Xanh LTD Address: No 21 Hang Trong, Hang Trong Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0105948666 Phone: 0902091920 Representative: Nguyen Minh Ngoc Adress: No 21 Hang Trong, Hang Trong Ward, Hoan Kiem District, Ha Noi City Hang Trong Ward, Hoan Kiem District, Ha Noi CityFounding date: 19 - 7 - 2012