Sumak - Viet Nam LTD Address: No 28, Lane 25, Trieu Viet Vuong Street, Bui Thi Xuan Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0107697721 Phone: 01697731994; 0397731994 Representative: Pham Thu Trang Bui Thi Xuan Ward, Hai Ba Trung District, Ha Noi CityFounding date: 9 - 1 - 2017