It must be due to their independent operations.
Previously, inquiries indicated that the authority to review Class A operation licenses belonged to provincial-level industrial and commercial administration departments, while the authority to review Class B operation licenses belonged to CRAC. This decentralized approach resulted in different practices across provinces. For example, some provinces and cities conducted exams simultaneously across all their cities, while others held exams at fixed times or only had a single exam location throughout the province.
In short, if you make a consistent effort to communicate and take action, there will always be a solution.