1,solar water heater ,solar system 2,excellent in quality and reasonable in price 3,different sizes are available Certificate:ISO9001,CE,3CReliable and economic1,The vacuum tube : high borosilicate glass 3.3 and with 12 clad layers.2,absorptivity ≥0.92.3,emissivity ≤0.06...

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1,vacuum collector tube solar water heater,solar system 2,excellent in quality and reasonable in price 3,different sizes are a vacuum collector tube solar water heaterCertificate:ISO9001,CE,3CReliable and economic1,The vacuum tube : high borosilicate glass 3.3 and with 12 clad...

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