Thang Son LTD Address: Civil Group 6, Nguyen Trai Ward, Ha Giang City, Ha Giang Province Enterprise code: 5100235734 Phone: 02193866903 Representative: Pham Dinh Son Adress: Civil Group 6, Nguyen Trai Ward, Ha Giang City, Ha Giang Province Nguyen Trai Ward, Ha Giang City, Ha Giang ProvinceFounding date: 18 - 6 - 2007