Thanh Son LTD Address: Civil Group 9, Phuong Do Commune, Ha Giang City, Ha Giang Province Enterprise code: 5100163310 Phone: 0912233699 Representative: Ngo Khanh Toan Adress: Civil Group 8, Tran Phu Ward, Ha Giang City, Ha Giang Province Phuong Do Commune, Ha Giang City, Ha Giang ProvinceFounding date: 1 - 10 - 2001