Bac Au Joint Stock Company Address: B14 Bai Cat Linh, Cat Linh Ward, Dong Da District, Ha Noi City Enterprise code: 0101938392 Phone: 0245116251 Representative: Trinh Thi Loan Adress: No 50 Hang Bac, Hang Bac Ward, Hoan Kiem District, Ha Noi City Cat Linh Ward, Dong Da District, Ha Noi CityFounding date: 12 - 5 - 2006