Strategic management mode. Bidding outsourcing can entrust the non-core business of an organization to an external professional company, which is a strategic management model. The Bidding Law stipulates that the types of bidding and contracting methods are as follows:

1, which can be divided into agreement mode and bidding mode according to the different ways of establishing contract relationship.

2. According to the different affiliation between Party A and Party B, contracting methods can be divided into internal contracting and outsourcing.