What are the general modes of agency recruitment?

The business model of agency recruitment is as follows:

Agency recruitment is generally a process in which an employer entrusts a professional human resources intermediary company to release recruitment information, notify and organize interviews, and check the initial test on behalf of the employer. It is an efficient talent recruitment channel to ensure that the job demand of enterprises is highly matched with talents through professional operation means, and to screen talents at different levels and recommend suitable talents for enterprises. There are also modes such as RPO (recruitment process outsourcing) and BPO (business process outsourcing).