Khai Thac Khoang San Va Xay Dung Khanh Ha Joint Stock Company Address: No 705 Ngo Gia Tu, Dang Lam Ward, Hai An District, Hai Phong City Enterprise code: 0202136067 Phone: 0948886686 Representative: Nguyen Thi Thuy Ha Dang Lam Ward, Hai An District, Hai Phong CityFounding date: 7 - 12 - 2021