Heat pipe solar collector, solar collector, solar heating collector

  heat pipe  solar collector, solar collector, solar heating collector   with solar keymark  certificate 1.Sectional metal heat-pipe vacuum tube: copper heat-pipe ; 2.Vacuum tube (magnetic-controlled Al-N-Al splash all glass evacuated heat-collecting tubes); 3.Silicon gel sealing plug , aluminum heat-absorbing fins 4. Manifold box : material of outer manifold: SUS304-2B stainless steel; 5.Copper header pipe; material of insulation: rock wool, 6. Material of support: stainless steel profiled bar with 1.2mm thickness. 7. quick delivery time...