If you are worried about being cheated, first check the company registration information on the industrial and commercial website to see how long it has been registered. In addition, search online for information and articles related to the company. You can also call the company to check whether you are applying for such a position.
If there is no problem with the above verification, then the work of the librarian in this factory may not be as simple as imagined. Just in case, you can tell your relatives where you work before you leave, and you can call the police in time if you can't contact them.