Khai Thac Che Bien Khoang San Thong Dat Joint Stock Company Address: Kien Khe Town, Kien Khe Town, Thanh Liem District, Ha Nam Province Enterprise code: 0700261938 Phone: 02263276667 Representative: Nguyen Duc Dung Kien Khe Town, Thanh Liem District, Ha Nam ProvinceFounding date: 5 - 9 - 2008