Khanh Son LTD Address: Civil Group 9, Phuong Do Commune, Ha Giang City, Ha Giang Province Enterprise code: 5100231722 Phone: 02193868030 Representative: Nguyen The Bang. Adress: Civil Group 9, Phuong Do Commune, Ha Giang City, Ha Giang Province Phuong Do Commune, Ha Giang City, Ha Giang ProvinceFounding date: 6 - 3 - 2007