Phong Dan Toc Huyen Quoc Oai Address: Quoc Oai Town, Quoc Oai Town, Quoc Oai District, Ha Noi City Enterprise code: 0106842373 Phone: 02433942444 Representative: Nguyen Van Vinh Quoc Oai Town, Quoc Oai District, Ha Noi CityFounding date: 7 - 5 - 2015