Ban Quan Ly Cac Du An Dau Tu Xay Dung Tai Nguyen Va Moi Truong Ha Noi Address: 2nd Floor, 4F Trung Yen Building, Yen Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0106263993 Phone: 02437735041 Representative: Mai Trong Thai Yen Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 9 - 8 - 2013