Brand: flying 
Min. Order: 1set  
solar water heatersolar heatersolar collectorFeatures: 
Saving energy,envionment friendly,easy to install on the roof and convenient to combine with any existed water heater.It will save most cost of water heating for you,once investing,benefit forever. 
Specifications:
1)solar collector
  1.vacuum tube:1.6mm high borosicate glass 3.3,resist 25mm hail.vacuum degree=5×10ˉ3 Pa.Al-Al/N selective absorption     film.
  2.heat pipe :TU1 red copper ,super conduction heat transfer 
  3.small tank:0.8mm copper channel
  3.insulate layer:rock wool  
  4.shell of small tank:stainless steel/aluminum alloy
  5.frame:stainless steel/aluminum alloy  
2)Accessory
  1.circulating pump:WILO pump
  2.controller:intelligent controller  
3)water tank(optional)
  enamel inner tank,pressure resistance:0.6MPa,capacity 100L-500L