Awarded to companies that manufacture and/or distribute eco-friendly products; and/or their products are used primarily in eco-friendly applications.
Awarded to companies whose production facilities and manufacturing processes are eco-friendly.
Awarded to companies that recycle materials and dispose all hazardous and toxic waste in an eco-responsible manner.
Awarded to companies that are highly energy efficient.

About Us

STS is the only company offering individual module certification in mass-production scale, and has set unique quality standards for the PV industry. Like no other company, we run tests on every module one by one, in order to guarantee that all the modules we approve are absolutely free of defect.


777 Yuyang Rd.
Gaoxin District
Kunshan, Jiangsu

TELEPHONE +86 (0) 21 63816570
FAX +86 21 63816576
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Manufacturing, Fabrication & Testing Services

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Product and Component Testing Services