Industry-leading Testing Approved (Under UL1730, IEC 61215, IEC 61730 Standards
Thermal Cycling Test
Thermal/Freezing and High Humidity Cycling Test
Electrical isolation Test
Hail Impact Test
Mechanical, Wind and Twist Loading Test
Salt Mist Test
Light and Water-exposure Test
Moist Carbon Dioxide/Sculpture Dioxide
Why choosing YYOPTO
1) Excellent quality, competitive price, prompts delivery, on-time service and good reputation.
2) Fast sample delivery
3) Low minimum order
4) Fast shipment in 15~20 days on receipt of your payment.
5) We handle all the components needed for utility-connected systems, or for powering independent homes and remote industrial sites.
6) We offer knowledgeable tech support before and after the sale.
7) We manufacture the complete line of solar modules ranging from 3w to 300w with CEC, TUV, and CE approval, offering the full spectrum sizes,
solar panels are as efficient as other competitors, but far cheaper-without skimping on quality.