Dau Tu Phat Trien Nha Constrexim Joint Stock Company Address: 4th Floor, HH1 Building, Duong Dinh Nghe Street, Yen Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0102166702 Phone: 02437822816 Representative: Nguyen Duc Cay Adress: C11 Lang Ha, Thanh Cong Ward, Ba Dinh District, Ha Noi City Yen Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 14 - 2 - 2007