Khai Thac Da Kha Phong Joint Stock Company Address: Hieu Ha Hamlet, Thanh Hai Commune, Thanh Liem District, Ha Nam Province Enterprise code: 0700831458 Phone: 0979727865 Representative: Dinh Cong Ngoan Adress: 2 Thuy Xuyen Hamlet, Ngoc Son Commune, Kim Bang District, Ha Nam Province Thanh Hai Commune, Thanh Liem District, Ha Nam ProvinceFounding date: 19 - 9 - 2019