1. Click the data center in the navigation bar.

2. Switch the database list by data series.

3. Click on the database name to enter the data query page of the corresponding library.

Guotai 'an database contains 12 series and 79 sub-databases, including stocks, companies, funds, bonds, derivatives, economy, industry, overseas and information. A high-precision research database covering China's securities, futures, foreign exchange, macro, industry and other major economic and financial fields.