How does HR help the company recruit many people? Do you know Renlian Group?

I used to be hr, but now I'm not. In the past, I would look for a large-scale and powerful outsourcing company in the market. We outsource business and ask them to help us recruit people. At that time, several labor outsourcing service providers were used, and it seems that the last person recruited the most. Renlian's service is really awesome!