Quality & manufacturing
From the first component
to the final inspection.
Materials, components and finished products move through a defined inspection process at our smart-lock manufacturing facility in Zhongshan.
Manufacturing facility
Testing & production equipment
Finished-product inspection before shipment
Quality control
Checks at every production stage.
Qualified materials and components form the basis of the finished product.
- 01
Incoming materials
Inspect the materials entering the production process.
- 02
Processed components
Test processed parts before they move into the next stage.
- 03
Production release
Only qualified batches proceed to mass production.
- 04
Finished products
All finished products undergo inspection before shipment.
Inside our workshop.
Production, assembly and materials areas in Zhongshan.
Factory equipment
Tools for testing.
Tools for making.
Twelve equipment types, organized by their role in the factory.
Environment & surfaces
Equipment for environmental exposure and surface checks.
- Programmable temperature chamber
- Salt-spray test chamber
- Sound testing equipment
Electronics
Tools used around electrical assembly and evaluation.
- Temperature-controlled soldering workstation
- Programmable power supply
- ESD generator
Mechanical checks
Equipment for physical testing and component preparation.
- Electric tensile testing machine
- Alcohol abrasion tester
- Bench drilling and tapping machine
Production tools
Equipment supporting marking, fastening and assembly.
- Laser marking machine
- Automatic screw fastening machine
- Air compressor
Equipment in our factory.
Select a photo to see the original image.
Model-specific documentation
RoHS documents.
Clearly identified samples.
Four model document sets, each pairing a Certificate of Compliance with a test-report cover.
Restricted-substance testing
Documents issued by Dongguan True Safety Testing Co., Ltd. on .
- Applicant / manufacturer
- Zhongshan Kekexili Smart Home Technology Co., Ltd.
- Document sample name
- Smart Locks
- Style / model name on documents
- LEZN
- Test-standard family
- IEC 62321
| Named model | Certificate of Compliance | Test report | Issue date |
|---|---|---|---|
| D01 | TST20241204001EC | TST20241204001E | |
| i19 | TST20241204002EC | TST20241204002E | |
| K9 | TST20241204003EC | TST20241204003E | |
| i7 | TST20241204004EC | TST20241204004E |
View the document images.
Open each image to read the named model, document number and issue date.
Match the document to your order.
These documents cover the tested samples named above. Share the exact model, configuration and destination market when requesting documents for an order. The model name on the document should match the supplied product.
The certificate scope is RoHS restricted substances, with references to Directive 2011/65/EU and amendments (EU) 2015/863 and (EU) 2017/2102. The displayed date is the issue date.
Documents for your project
Which model are you sourcing?
Send the model, configuration and destination market with your enquiry.