Originally Longi Solar is the world's largest supplier of wafers for solar cells. The company produces innovative panels of high quality. For years, Longi has been setting the trend in cell technology. For example, Longi introduced the 'big cell', the 166-millimetre wafer. In addition, Longi has been placed on the Tier 1 list by Bloomberg. We offer Black-White and All Black panels by Longi Solar.