How to check four databases and one platform

1. Visit official website with four databases and one platform, and register and log in on the homepage.

2. Enter the query page, and select the corresponding query item according to the type of information you want to query, such as builder query or enterprise query.

3. On the query page, enter the corresponding query conditions according to the prompts, such as name, ID number, registration number and enterprise name. These conditions will help to locate the information you want to query accurately.

4. Click the Query button to display the qualified performance information. This information includes project name, scale, completion time, project quality grade, etc.