Certification comes before sales, not after
Electronics is one of the few categories where a product can be well-made, functional, and still illegal to sell in your destination market because it lacks the right certification mark. A wireless device sold in the EU needs CE marking (and often a Declaration of Conformity backed by actual test reports, not just a printed logo); the US requires FCC certification for anything emitting radio frequency; battery-powered goods usually need UN38.3 transport testing before they can even ship by air or sea. Confirming which certifications your specific product needs — based on what it does, not just what category it's in — has to happen before tooling, not after a container is already at the port.
A factory claiming "we already have CE" is not the same as your specific product model being certified — certification is normally tied to a specific product configuration, not a blanket factory approval.
What information, documents or prerequisites are needed before starting?
- Actual test reports, not just certificates. Ask for the underlying test report from an accredited lab, showing your specific model number and the standards tested against — not just a certificate that could apply to a similar but different product.
- Battery and transport compliance. Lithium battery products need UN38.3 test summaries before international freight will accept them, and some carriers require additional battery-specific documentation and packaging.
- Firmware and software stability. confirm what firmware version ships in production units and whether the factory can push updates post-sale if a bug is found after launch.
- Function testing at scale. A working engineering sample doesn't guarantee every unit of a large production run functions correctly — request the factory's in-line function test rate and burn-in test procedure.
Inspection priorities specific to electronics
A pre-shipment inspection for electronics should go beyond visual checks: functional testing on a statistically valid sample of the finished batch (power-on, core feature test, connectivity where relevant), a check of packaging-level static/moisture protection, and verification that the certification marking on the actual product and packaging matches the documentation on file — not just present, but the correct version and format for your destination market.
For anything with a battery, inspectors should also confirm battery capacity matches the spec sheet (a common cost-cutting substitution) and that the battery documentation traveling with the shipment is complete for customs and carrier acceptance.
Common mistakes in electronics sourcing
- Assuming certification transfers between factories. Switching manufacturers for the same product design does not automatically transfer existing certification — a new factory may require retesting even for an identical design.
- No plan for post-launch firmware issues. Connected products that ship without a clear update mechanism leave buyers unable to fix bugs discovered after customers already have the product.
Verifying compliance from the China side
Confirming that a certificate actually matches your exact product model, and that a production batch actually functions at scale, both require checking documentation and product together, not one without the other. LifaSourcing.com helps organize certification document requests, function-test inspection planning, and battery/transport compliance checks through product certification support and inspection coordination, before your electronics order ships.
Going deeper: full category playbook
This page covers what to verify before committing to a factory. For a complete category playbook — sourcing channels, supplier vetting, and detailed scenario walkthroughs for electronics — see the companion guide: Consumer Electronics & Hardware Sourcing: The Complete Guide.