Xay Dung Thuong Mai Va Khai Thac Khoang San Dai Son Thanh Joint Stock Company Address: No 311 Van Cao, Dang Lam Ward, Hai An District, Hai Phong City Enterprise code: 0201259933 Phone: 02253261756 Representative: Nguyen Van Tuong Adress: No 19B80 Khu B1, Cat Bi Ward, Hai An District, Hai Phong City Dang Lam Ward, Hai An District, Hai Phong CityFounding date: 10 - 5 - 2012