Hien Hoa LTD Enterprise code: 2400290339 Phone: 02144872333 Address: Van Hanh, Hoang Van Commune, Hiep Hoa District, Bac Giang Province Main profession: Mining metal ores (Mining metal ores) Hoang Van Commune, Hiep Hoa District, Bac Giang ProvinceFounding date: 16 - 1 - 2003