B-1 and B-2 Visas B1 和B2签证
By Enoch Pei B-1 and B-2 Visas What Are They? B-1 and B-2 visas are nonimmigrant visas granted for the purposes of either business or pleasure, respectively. The usual granted length of stay to a B visa holder is six months, although, extensions can be made up to a total allotted time of one year. …