The certificate of safety officer can be queried directly to the local safety supervision department or online. Online query method: search official website and National Vocational Qualification Work Network, and enter; Find the "certificate query" item and enter relevant information to query. Security officer certificate online query method is as follows:
Search official website, National Vocational Qualification Work Network, and click Enter.
After entering, find the "ID query" item and click the magnifying glass symbol to enter.
After entering the certificate query, enter any two of the certificate number, certificate number and name to query the authenticity of the safety officer's certificate.