1, the testing organization needs to invest a lot of manpower, material resources and technical equipment for testing, need to pay the relevant costs.
2, testing organizations need to maintain an independent and neutral status to ensure the objectivity and reliability of the test results. Fees can reduce the government's financial support for testing organizations, thus maintaining the independence of testing organizations.
3, the fee can also be used as an incentive mechanism to promote testing organizations to provide higher quality services.