Khai Thac Che Bien Da Cao Nguyen Joint Stock Company Address: Hong Son Hamlet, Thanh Son Commune, Kim Bang District, Ha Nam Province Enterprise code: 0700254754 Phone: 0913289603 Representative: Nguyen Thi Lien Adress: Kim Binh, Kim Binh Commune, Kim Bang District, Ha Nam Province Thanh Son Commune, Kim Bang District, Ha Nam ProvinceFounding date: 14 - 11 - 2007