Duc Son LTD Address: Iii Floor, No 273, Nguyen Thai Hoc Street, Tran Phu Ward, Ha Giang City, Ha Giang Province Enterprise code: 5100171625 Phone: 02193860199 Representative: Bui Manh Thang Adress: Civil Group 12, Tran Phu Ward, Ha Giang City, Ha Giang Province Tran Phu Ward, Ha Giang City, Ha Giang ProvinceFounding date: 9 - 10 - 2002