1. First, we can log on to China HowNet.

2. Enter the content of the document you want to find in the HowNet search box, such as the express delivery industry, select the document type, and click Find.

3. Select a document, click HTML to read the document, and log on to the school intranet. Most schools can view the document for free.

4. Of course, if you want to find data, the National Bureau of Statistics database really has everything. Enter the National Bureau of Statistics official website.

5, click on the statistics, enter the national data, data query.

6. Enter the data express industry to search, and all the data about express industry will appear.

7. We can also choose different economic charts to look at the data.