Dau Tu Thai Son Ha Joint Stock Company Address: No 30B Doan Thi Diem, Quoc Tu Giam Ward, Dong Da District, Ha Noi City Enterprise code: 0102348519 Phone: 0242406080 Representative: Nguyen Nam Giang Adress: No 50 Au Trieu, Hang Trong Ward, Hoan Kiem District, Ha Noi City Quoc Tu Giam Ward, Dong Da District, Ha Noi CityFounding date: 22 - 8 - 2007