Khoang San Duong Song Joint Stock Company Address: No 896, Civil Group 6, Viet Quang Town, Bac Quang District, Ha Giang Province Enterprise code: 5100439858 Phone: 0969972789 Representative: Kieu Xuan Duoc Adress: No 896, Civil Group 6, Viet Quang Town, Bac Quang District, Ha Giang Province Viet Quang Town, Bac Quang District, Ha Giang ProvinceFounding date: 6 - 6 - 2016