Khoang San Dong Bac I - Tong Cong Ty Dong Bac Joint Stock Company Address: Yen Phu Town, Huyen Bac Me, Yen Phu Town, Bac Me District, Ha Giang Province Enterprise code: 5100260579 Phone: 0913262574 Representative: Nguyen Van Dien Adress: No 25, Trieu Viet Vuong, Ba Dinh District, Ha Noi City Yen Phu Town, Bac Me District, Ha Giang ProvinceFounding date: 8 - 1 - 2009