Khoang San Thien Sinh Joint Stock Company Address: No 463, Civil Group 6, Ngoc Ha Ward, Ha Giang City, Ha Giang Province Enterprise code: 5100318109 Phone: 02193533198 Representative: Nguyen Van Toa Adress: Bang Hanh Commune, Bac Quang District, Ha Giang Province Ngoc Ha Ward, Ha Giang City, Ha Giang ProvinceFounding date: 25 - 2 - 2010