Why do companies that directly employ the top 500 companies in the online world use the names of other companies to recruit? Is it credible?

Companies that directly employ Fortune 500 companies use other company names for the following reasons.

1. The company name is blacklisted on the recruitment website, and it needs to be renamed to recruit.

For the sake of saving recruitment expenses, we will not put every company on the recruitment website for recruitment, but use one of them for unified recruitment.