Chi An LTD Address: No 9 Au Trieu, Hang Trong Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0104179552 Phone: 02439412094 Representative: Nguyen Minh Phuc Adress: No 137 Hang Bac, Hang Bac Ward, Hoan Kiem District, Ha Noi City Hang Trong Ward, Hoan Kiem District, Ha Noi CityFounding date: 25 - 9 - 2009