To inquire about the information of jewelry inspection and testing institutions, you can download the Baidu mobile APP, search the keyword information of Beijing jewelry inspection and testing institutions in the APP, and then enter for inquiry. The specific steps are as follows:

1. First, click Baidu APP in your mobile phone.

2. Then open it and find the search bar.

3. Then enter "Beijing Jewelry Inspection and Testing Agency Information" in the search box, and click one button to query.

4. Finally, enter the query interface for query.

Precautions:

1. In the last step, you can also query by manually entering the organization name.

2. Both Apple phones and Android phones can use this function.