Xay Dung Cong Nghe Duyen Hai Joint Stock Company Address: No 3 Phan Dinh Phung, Ha Ly Ward, Hong Bang District, Hai Phong City Enterprise code: 0200609568 Phone: 02253842589 Representative: Nguyen Van Son Adress: No 20/25, Lam Son Street, Lam Son Ward, Le Chan District, Hai Phong City Ha Ly Ward, Hong Bang District, Hai Phong CityFounding date: 21 - 1 - 2005