Contact Us

Address: NO.199,Xinyu Rd,Zhabei,District, Shanghai,China



Skype: wotech-solar


If you need detail information about our products electrical characteristics, mechanical characteristics, packaging configuration, absolute ratings and I-V Curves and dimension, please e-mail :, and one of our customer representatives will contact you shortly. We can also recommend and give information about necessary balance of system products for you to successfully complicate your solar system installation.



Our quality control is set up to the quality system requirements of ISO 9001:2000. Our quality control consists of three components: incoming inspection through which we ensure the quality of the raw materials that we source from third parties, in-process quality control of our manufacturing processes, and output quality control of finished products through inspection and by conducting reliability and other tests.

We had passed international certification requirements and continue to upgrade our product quality with proven technologies. Quality is one of our core values and the pursuit of quality will continue to drive the company¡¯s efforts in the future as it continues to upgrade its products.


Our ISO, UL, TUV, CE, IEC, ICM certified modules proof of our international standards for product safety, durability and overall quality.
If you have any technical questions, technical incident and reclamation inquiry, please enter provided user name and password to fill out On-line Reclamation form. Our technical service representatives will contact you shortly. If our on-line reclamation form does not work for website technical reasons, please e-mail to:

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