CE,CCC,SGS,ISO,Solar Keymark certification .easily to install. high quality Detailed Product Description;solar water heater tank cover 1.Manufacturer,OEM acceptable 2 ... ,SGS,ISO9001 Durable galvanized steel solar water heater tank cover Quick Details Brand NameCannoPlace of OriginZhejiang, China (Mainland)Model NumberJNSPTypeSolar water heater ...