What's the difference between American labor permit and H 1B visa? How long can I apply for a green card after getting an H 1B visa? How many years does it take to apply for a green card? EB-2

Simply put, the American labor permit is a foreigner's work permit.

H 1B visa is a non-immigrant visa, which allows foreign employees with professional skills to legally live and work in the United States.

For H 1B, the US labor permit is part of the application document.

There are many ways to apply for a green card in America. If you apply through the employer of H 1B,

Theoretically, as long as your employer is willing to support you, you can apply for a green card through your employer at any time during the period of H1B.

These green card applications are all professional immigrants, usually under EB-2 (depending on your personal situation), and the schedule often changes, which is about five years at present.