Dong Son LTD Address: But Son Hamlet, Thanh Son Commune, Kim Bang District, Ha Nam Province Enterprise code: 0700253937 Phone: 02263820746 Representative: Tran Huu Vu Adress: Le Loi, Van Dinh Town, Ung Hoa District, Ha Noi City Thanh Son Commune, Kim Bang District, Ha Nam ProvinceFounding date: 18 - 10 - 2007