You can find information about other companies on the talent network. Similarly, registered companies can also see your information.
You will find a position suitable and submit your resume. When looking for personnel information, a registered company may find that you are more suitable for a position in their company. Although you didn't submit your resume, I hope to meet you and give you a chance to find a job.
That's it.
This is how my classmates used to get jobs.
But you should be careful about this kind of thing.