Hop Tac Xa Xay Dung 670 Address: Vung Hamlet, Van Son Ward, Do Son District, Hai Phong City Enterprise code: 0200228153 Phone: 02253861470 Representative: Hoang Thi Nha Adress: Vung Civil Group, Do Son District, Hai Phong City Van Son Ward, Do Son District, Hai Phong CityFounding date: 17 - 9 - 1998