CE, ISO9001-2000 and CCCÿ ,SOLAR KEYMARK ÿcertificationÿ1.Copper and Aluminum unfied core , Header pipe diameter up to 25mm .ÿ2.The coating is selectivity absorb coatÿ3.Tempered glass with 5mm thickness.ÿ4.Working pressure: ó 0.6Mpaÿ5.Aluminum Alloy Profile: Electrophretic aluminum alloy profile treatment.ÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿ6.Special Heat Preservation: Less heat loss, more efficiency and more beautiful.ÿ7.Packing:ÿ cartonÿ8.Copper and Aluminum unfied core , Header pipe diameter up to 25mm .ÿ9.Special Heat Preservation: Less file: Electrophretic aluminum alloy profile treatment. flat collectorheat loss, more efficiency and more beautiful