Son Hoan LTD Address: No 70, Civil Group 10, Tran Phu Ward, Ha Giang City, Ha Giang Province Enterprise code: 5100133027 Phone: 02193866553 Representative: Pham Thi Hoan Adress: Civil Group 10, Tran Phu Ward, Ha Giang City, Ha Giang Province Tran Phu Ward, Ha Giang City, Ha Giang ProvinceFounding date: 16 - 3 - 2005