Cooperating Manufacturers




STS-Certified has worked with the world’s largest manufacturers. In 2012, more than 200,000 panels have been tested.





LOWER TESTING COSTS FOR FULLY EVALUATED MANUFACTURERS


Because they have undergone a full factory and product evaluation, the manufacturers below can now be tested by STS-Certified at preferred rates.

Senersun
Shinew Photoelectronic


If you are a manufacturer and you wish to learn more about our Evaluation Certificates, please visit the page Manufacturer Evaluation.