STS: the only guarantee that 100% of your panels are free of defect
The largest PV Testing Center
With more than 77,000 solar panels tested in 2011, STS Certified is currently the largest testing center of the PV industry. Learn more.
Individual module certificate
Testing and certifying all your solar panels individually, STS is the only certification body guaranteeing that your whole delivery of PV modules is free of defect. Read More.
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Contact
feel free to contact our team for additional information.
Please email us :
info@sts-certified.com