Dich Vu Va Cong Nghe Yhtech Viet Nam LTD Address: No 46, Huyen Lane, Hang Trong Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0107263876 Phone: 0985469461 Representative: Ho Thi Bao Yen Adress: Thanh Xuyen Hamlet, Hai Thanh Commune, Tinh Gia District, Thanh Hoa Province Hang Trong Ward, Hoan Kiem District, Ha Noi CityFounding date: 22 - 12 - 2015