Optimum Hospitality LTD Address: Lau 9, Deutsches Haus Building, 33 Le Duan, Ben Nghe Ward, District 1, Ho Chi Minh City Enterprise code: 0316996958 Phone: 0327237567 Representative: Martin Karner Ben Nghe Ward, District 1, Ho Chi Minh CityFounding date: 26 - 10 - 2021