Smart Lock Factory Quality Control Checklist

1. Start with the exact project configuration

Quality expectations depend on the lock type, door application, access methods, app platform and selected lock body. Before reviewing a factory process, write down the configuration being sampled. A fingerprint handle lock, a glass door lock and a face recognition model may require different checks.

2. Review incoming-part controls

Ask how key incoming parts are checked before assembly. Useful questions include whether the factory verifies appearance, dimensions, connectors, electronic boards, batteries or mechanical components against the approved specification. The goal is to catch variation before it becomes an assembled-product problem.

3. Confirm assembly checkpoints

A reliable process should identify important assembly steps rather than relying only on a final visual check. Buyers can ask how the factory controls wiring, fasteners, panel alignment, handle movement, lock-body fit and software or app configuration for the selected model.

4. Test functions and user workflows

Functional checks should reflect the way the product will be used. Depending on the model, that may include fingerprint, passcode, IC card, mechanical key, face recognition, TTLock or Tuya app access. Confirm that the test covers both successful access and basic abnormal conditions such as an incorrect credential or low-power reminder.

5. Ask about aging and endurance checks

Where applicable, ask whether the factory performs aging, endurance or repeated-operation checks on the relevant electronic and mechanical functions. The exact method should match the product design. A clear record is more useful than a general claim that every product is tested.

6. Check final inspection and shipment records

Before shipment, confirm how appearance, accessories, packaging, labels, manuals and configuration are checked. For private-label projects, the final inspection should also cover the approved logo, box artwork, key cards and user documents. Agree how defects, corrective actions and replacement parts will be recorded.

7. Match documents to the quoted configuration

Ask for the documents that apply to the exact model and configuration being discussed. Do not assume that a certificate or test report for one lock body, app version or electrical setup covers every project variation. This keeps the quotation, sample and production order aligned.