Understanding and verifying manufacturer certifications in China
Certifications are a supplier formal declaration of capability, quality standards, and process consistency. In China manufacturing, a valid certification is often the first filter in supplier selection.
| Certification | Scope | Validity |
|---|---|---|
| ISO 9001:2015 | Quality management systems | 3 years |
| IATF 16949 | Automotive quality management | 3 years |
| ISO 14001 | Environmental management | 3 years |
| AS9100D | Aerospace quality management | 3 years |
| CE Marking | EU product safety | Varies |
| UL Listing | US product safety | Annual |
Request the actual certificate copy, check the scope matches your product, and verify with the issuing body (SGS, TUV, BSI). Most certification bodies have online verification portals.