Dau Tu Va Khai Khoang Viet Nam Joint Stock Company Address: No 671, Lot 22, Le Hong Phong Street, Dong Khe Ward, Ngo Quyen District, Hai Phong City Enterprise code: 0201296780 Phone: 02253832996 Representative: Cao Van Kien Adress: Hamlet 4, Tien Thang Commune, Tien Lang District, Hai Phong City Dong Khe Ward, Ngo Quyen District, Hai Phong CityFounding date: 7 - 5 - 2013