Khai Thac Khoang San Dai Hai Joint Stock Company Address: Nha Ong Nguyen Van Hai, K9, Con Cuong Town, Con Cuong District, Nghe An Province Enterprise code: 2900907757 Phone: 02383731061 Representative: Nguyen Quoc Dai Adress: K9, Con Cuong Town, Con Cuong District, Nghe An Province Con Cuong Town, Con Cuong District, Nghe An ProvinceFounding date: 13 - 8 - 2008