Consult the Labor and Social Security Bureau.
Find your local labor and social security bureau (also called human resources and social security bureau or labor bureau) and ask them about the information of the unit where the safety officer certificate belongs. They are like a compass, showing you the way.
Check the security officer certificate information.
Dig out your safety certificate and look at the information on it. Usually, the affiliated unit and contact information will be clearly marked on it.
Contact training institutions
If your safety officer certificate is issued by a training institution, contact them directly, and they will generally know the information of the affiliated unit.
online query
If all the above methods have been tried and you still can't find them, try online search. Using keywords such as "security officer's card is linked to the company for inquiry", you may find some third-party inquiry platforms or forums to provide related services.