solarevacuatedtubesVacuumtubeisthecorecomponentofsolarwaterheaterandsolarhotwaterprojectandheatingengineering,itsperformancedeterminesthequalityofsolarheatutilization.Throughstrictcontrolofvacuumprocess,toensurethevacuumtubehighcollectorefficiencyandantidecayproperties,advancedequipment,strictmanagement,thecompanyproductionofpurplediamond,bluediamond,blackdiamond,yellowdiamondetc.varioustypesofvacuumtubehascharacteristicsofhightemperatureresistant,coldresistant,warmingfaster,etc.)