Quality you can put your brand on
Consistent quality is the foundation of long-term B2B partnerships. Our products are built and tested to meet the certification requirements of major export markets.
Quality control at every stage
We don't rely on a single final check. Quality is engineered in from raw materials to the moment your container is sealed.
Every order can include third-party inspection reports on request. We welcome buyer or agency inspections at our facility before shipment.
Four-stage quality control
A disciplined workflow that catches issues early and protects your reputation.
Incoming Material QC
Every batch of components, batteries and motors is inspected before entering production.
In-line Testing
Airflow, noise, battery and charging tests are run at multiple assembly stages.
Function & Safety
Full function checks plus aging and drop tests to ensure durability.
Pre-shipment AQL
Final AQL sampling inspection before packing and container loading.
Compliant for global markets
We provide the documentation your customs and retailers require.
CE
European conformity for safety and EMC.
FCC
US electromagnetic compliance.
RoHS
Restriction of hazardous substances.
UN38.3
Lithium battery transport safety.
MSDS
Material safety data for batteries.
ISO
Standardized manufacturing processes.
Specific certifications vary by product and target market. Contact us for the exact documentation available for each model.
Need certification details for your market?
Send us your destination country and target models — we'll confirm the available certifications and reports.
Claire · +86-158-2078 2313 · claire@sz3gold.com