Van Phong Dai Dien - Cong Ty Co Phan Khoa Hoc Va Cong Nghe Xay Dung Address: No 110, Chien Thang Street, Phuong, Ha Dong District, Ha Noi City Enterprise code: 0104524343-001 Phone: 0979867686 Representative: Nguyen Huy Phi Ha Noi CityFounding date: 12 - 3 - 2010