... black chrome plated coatingCertification: CE, SGS, Solar Keymark, SRCC 1. Absorber core :aluminum fins and copper tube, copper fins and ... . Insulation :PEF 30mm or glass mineral wool30mm (40g/cm3)8. Back PlateGalvanized plate, or aluminum plate, 0.5mm9.Surface ... design are sold well in North America ,South America ,Eastern Europe ,Southeast Asia, Mid East ,Western Europe. 2012 hot selling split flat ...