How can I tell if a Chinese supplier's ISO or CE certificate is fake?

The Three Ways a Certificate Fails

Most 'bad' certificates are not forgeries but something more subtle: borrowed (genuine, but issued to another company), out of scope (covers a different model or standard), or expired. Only the first is outright fraud — but the other three are just as useless to you. The skill is knowing which registry each document must appear in, and checking.

Verify CE Through NANDO

A genuine CE certificate under a module requiring a notified body carries a four-digit number. Enter that number in the European Commission's NANDO database (ec.europa.eu growth tools-databases nando). Confirm the body exists, its designation is active, and its scope covers your product's directive. A body notified for one directive cannot validly certify under another — a frequent cause of整批退运 at EU borders.

Verify ISO and Labs Through IAF / CNAS

For ISO 9001 and test reports, use IAF CertSearch (iafcertsearch.org) and, for Chinese labs, the CNAS register (cnas.org.cn). Two questions matter: does the laboratory exist under that name and number, and is the specific test standard inside its accredited scope? A report issued outside the scope carries the logo and none of the weight. Major labs (SGS, Intertek, TÜV) also run their own verification portals — use them rather than trusting a printed PDF.

The 15-Minute Verification Routine

This routine catches most problems before money moves.

How RND SOURCING Vets Certificates

RND SOURCING runs this check on every high-risk SKU before a deposit is wired. We read the document first (exact model? standard edition? applicant name?), then verify the body in NANDO or CNAS, then confirm scope. A supplier who bristles at 'please send the number so we can check' has already answered the question. For first orders we also re-test a handful of units at a third-party lab — often the best money an importer spends.

Step-by-Step: Verify Before You Pay

1. Read the document: exact model, standard edition, applicant name.
2. CE -> look up the 4-digit NB number in NANDO; confirm scope.
3. ISO/test -> verify the lab in IAF CertSearch and CNAS.
4. Match the model number to your PO and label exactly.
5. Request the DoP (CE) and EN 10204 3.1 MTC (materials) per lot.

Common Mistakes to Avoid

• Trusting a logo alone — any printer can add CE or ISO marks.
• Accepting a certificate for a 'similar model' as proof for yours.
• Overlooking that the applicant entity differs from your supplier.
• Skipping re-verification before each new production run after component changes.

Key Takeaways

• Fake, borrowed, out-of-scope and expired are four different failures.
• NANDO for CE notified bodies; IAF/CNAS for ISO and labs.
• The certificate must name your exact model and your supplier's entity.
• A supplier hostile to verification is a supplier to walk away from.

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