Dau Tu Khai Thac Khoang San Hung Yen Joint Stock Company Address: An Binh Hamlet, Dan Tien Commune, Khoai Chau District, Hung Yen Province Enterprise code: 0900840153 Phone: 0912953506 Representative: Truong Quang Dinh Adress: Pham Xa Hamlet, Ngo Quyen Commune, Thanh Mien District, Hai Duong Province Dan Tien Commune, Khoai Chau District, Hung Yen ProvinceFounding date: 20 - 8 - 2012