Do Dac Khao Sat Xay Dung Hai An LTD Address: No 73 Nguyen Tat To, Kenh Duong Ward, Le Chan District, Hai Phong City Enterprise code: 0202154267 Phone: 0911973188 Representative: Tran Tuan Anh Adress: No 62 No2/97 Bach Dang, Ha Ly Ward, Hong Bang District, Hai Phong City Kenh Duong Ward, Le Chan District, Hai Phong CityFounding date: 28 - 3 - 2022