Khai Thac Khoang San Tan Ky Joint Stock Company Address: Van Phong Mo Nam Gion, Van Son Hamlet, Dong Van Commune, Tan Ky District, Nghe An Province Enterprise code: 2901138335 Phone: 0904041818 Representative: Nguyen Huu Nghia Adress: Hamlet 18, Co Nhue Commune, Tu Liem District, Ha Noi City Dong Van Commune, Tan Ky District, Nghe An ProvinceFounding date: 5 - 10 - 2009