evus evus.gov Category:law and government Global Rank:307,931 visits:115.5K pages/Per:4.2 usvisaupdate.com evus is a requirement for all chinese nationals that hold a b1 or b2 visa, valid to travel to the usa. the american evus visa update is valid for 2 years. Category:immigration and visas Global Rank:1,041,964 visits:40.5K pages/Per:1.6 ADS