Hoan Hao Joint Stock Company Address: KM10, Highway 31, Dai Giap Hamlet, Dai Lam Commune, Lang Giang District, Bac Giang Province Enterprise code: 2400287304 Phone: 02042464388 Representative: Nguyen Van Hao Adress: No 358, Xuong Giang Street, Ngo Quyen Ward, Bac Giang City, Bac Giang Province Dai Lam Commune, Lang Giang District, Bac Giang ProvinceFounding date: 24 - 6 - 2002