Features:
1. All stainless steel frame and dark gray aluminum casing figure terseness and nice profile. Resort to module design and arbitrary combination, make her harmonious with the building perfectly.
2. Using heat-pipe vacuum tube combined double-layer glass vacuum tube and copper heat pipe as one unit.
3. Absorption coefficient >92% (AM1.5) , Emission coefficient <8% (80 Celsius degree), Vacuum P<5x10-3Pa, Stagnation temperature >230 Celsius degree. Freezing resistance: -35 Celsius[...]