Solar Water Collector,homemade solar collector 1.keymark,SRCC,CE,CCC,ISO9001 2.OEM,ODM is acceptable 3.Very safe packing ,glKD SOLAR COLLECTOR Solar Water Collector,homemade solar collector,glazed solar collectorDetailed Product ... /Day) 300200 T35(Radiation>=800w/m2.day) Collector efficiency76.4% 76.2% MediumPure water Start-up Temperature of heat pipe<=30°C ...