This depends on what kind of work the PPP project is.

The social partners of PPP projects need to invite bids.

During the project implementation process, some projects do not require bidding.

The conditions for PPP projects to be included in the database are that the project investment amount is large, the success rate of implementation is high, and it is industry representative.

The financial departments at the same level (provincial, municipal, and county) shall issue opinions on the value for money evaluation and financial affordability.

The government at the same level (provincial, municipal, or county) has issued an approval opinion on the formal implementation plan or the implementation plan has been submitted to the government for review, and it has entered or may enter the project procurement stage in the near future.

Has been included in the annual development plan.