At SUNERISE, we have always abide by our commitment to excellent products. We not only have strict quality control points throughout the whole production process, but also regularly submit our products to various internationally renowned institutions for testing and have obtained relevant certificates and approvals. As one of the world's leading manufacturers of photovoltaic modules, our high-efficiency pv modules and related products have been exported and installed in various countries and continents. At present, we are proud to tell all customers that SUNERISE 's rugged product series has been verified under very diverse and harsh conditions in the world. Please rest assured to purchase.