270W Solar Panel Manufactured in an ISO 9001:2008 certified plant.With TUV,CE,IEC61215 certificate. 270W Solar PanelEFFICIENCY· Low ... at high-temperature condition· High efficient, high reliable solar cells ensure our product output stability MATERIALS· Advanced EVA ... shaped drainage holes, with more grounding holes, provide flexible installation and useBENEFITS· Manufactured in an ISO 9001:2008 ...