Hoang Son LTD Address: Dong Quan, Van Cam, Dong Lo, Hiep Hoa District, Bac Giang Province Enterprise code: 2400375286 Phone: 02144212606 Representative: Tran Cong Sau Adress: Dinh Huong, Duc Thang Commune, Hiep Hoa District, Bac Giang Province Dong Lo Commune, Hiep Hoa District, Bac Giang ProvinceFounding date: 25 - 4 - 2007