Hy Long Son Address: Doi Tin Hamlet, Doi Son Commune, Doi Son Commune, Duy Tien District, Ha Nam Province Enterprise code: 0700260677 Phone: 02126838021 Representative: Bui Doan Hy Adress: Doi Tin Hamlet, Doi Son Commune, Duy Tien District, Ha Nam Province Doi Son Commune, Duy Tien Town, Ha Nam ProvinceFounding date: 9 - 7 - 2008