Dau Tu Thuong Mai Sao Bac Joint Stock Company Address: No 21a Cat Linh, Cat Linh Ward, Dong Da District, Ha Noi City Enterprise code: 0102136225 Phone: 0247325779 Representative: Nguyen Thi Hang Adress: No 40B, De La Thanh, Tho Quan Ward, Dong Da District, Ha Noi City Cat Linh Ward, Dong Da District, Ha Noi CityFounding date: 12 - 1 - 2007