Dau Tu Khai Thac Khoang San Long Phat Joint Stock Company Address: 24 Nguyen Huu Huan, Ly Thai To Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0102378697 Phone: 0248258967 Representative: Dinh Thi Hai Yen Adress: 1B Civil Group, Khu 8, Bai Chay Ward, Ha Long City, Quang Ninh Province Ly Thai To Ward, Hoan Kiem District, Ha Noi CityFounding date: 8 - 10 - 2007