Dich Vu Thiet Ke O To An Hung Joint Stock Company Address: 622th Floor, Thai Lam Plaza Building, No 52, Thanh Liet Street, Thanh Liet Ward, Ha Noi Town, Viet Nam, Ha Noi City Enterprise code: 0111498207 Phone: 0868757638 Representative: Hoang Van Dat Thanh Liet Ward, Thanh Tri District, Ha Noi CityFounding date: 14 - 5 - 2026