Doanh Nghiep TN Hoang Hao Address: Tam Dong, Doan Bai Commune, Hiep Hoa District, Bac Giang Province Enterprise code: 2400531249 Phone: 0976966506 Representative: Nguyen Duc Hieu Doan Bai Commune, Hiep Hoa District, Bac Giang ProvinceFounding date: 7 - 12 - 2010