For ATEX certificates issued by CNEX-Global B.V., please use the on-line contact form to request a copy of the certificate you need.
For IECEx certificates issued by CNEX-Global B.V., please use the on-line IECEx database per link: IECEx database
For CNEx certificates issued through CNEX-Global B.V., or issued directly by CQST in China, please use the on-line contact form to request a copy of the certificate you need.