Vacuum Tube Solar Collector, Brand Name : OEM is accepted

We are offering vacuum tube solar collector.
The products are all ce, iso9001, iso14001, solar keymark and srcc certificated
specification:
manifold: 1) the inner water flowing tank: sus304-2b food grade stainless steel thickness 0.4mm
2) outer shell: stainless steel 0.4mm
3) insulation layer: polyurethane
vacuum tube: 1) material: alnaln-sscu coating or aln-n-al coating
2) diameter; 58mm, length: 1800mmdia.47mm, length:1700mm
3) quantity: 2025304050
bracket: 1) material: stainless steel
2) obliquity of bracket: 17-45 degrees
3) thickness: 1.2mm
life-span: 15years
quality guarantee: 5years.