1)all glass hard borosilicate :3.3 2)high efficient selective absorption coating: AL-N/AL evacuated  tube specifications being described as  follows:1)all glass hard borosilicate:3.32)high efficient selective absorption coating: SS-C/CU &AL/N3)size of vacuum...

solar heater low emission strong heat collection fast thermal solar heaterStructureAll glass double-tube co-axial structureGlass materialHigh borosilicate 3.3 glassExternal pipe diameter and thicknessΦ=47±0.7mm &=1.6mm   Φ=58±0.7mm ...

1)all glass hard borosilicate :3.3 2)high efficient selective absorption coating: SS-C/CU &AL/N three target vacuum  tube specification as  follows:1)all glass hard borosilicate:3.32)high efficient selective absorption coating: SS-C/CU &...

1)higher efficient absorption selective coating layer:SS-C/CU&AL/N 2)no water in vacuum tube 3)suitable for well-to-do family specifications of integrated  pressurized solar hot water heater as follows:1)      Material of inner tank...

1)higher efficient absorption selective coating layer:SS-C/CU&AL/N 2)no water in vacuum tube 3)suitable for well-to-do family specifications of integrative pressure  solar water heater as follows:1)      Material of inner tank...

1)high efficient heat absorption 2)outer tank :food lever stainless steel:SUS304-2B 3)economical FeaturesStable and reliable performance and well-resistanceAll glass vacuum tubes with heat pipe: high efficient heat absorptionselective sputtering coating:SS-c/Cu&AL-NThe heat...

1)all glass hard borosilicate :3.3 2)high efficient selective absorption coating: SS-C/CU &AL/N all glass vacuum tube  specificatioins as  follows:1)all glass hard borosilicate:3.32)high efficient selective absorption coating: SS-C/CU&AL/N3)size of vacuum...

1)all glass hard borosilicate :3.3 2)high efficient selective absorption coating: SS-C/CU and AL/N borosilicate glass vacuum tube specifications being described as  follows:1)all glass hard borosilicate:3.32)high efficient selective absorption coating: SS-C/CU...

1)higher absorption selective coating :SS-C/CU and AL-N/AL 2)anti-wind and hail resistance 3)endurance in extreme cold weather seperate pressure solar water heater specifications as follows:part one:soar collector tubes1)evacuated glass tube:hard borosilicate...

1)higher efficient absorption selective coating layer:SS-C/CU&AL/N 2)no water in vacuum tube 3)suitable for well-to-do family specifications of integrative pressurized solar  heater as follows:FeaturesStable and reliable performance and well-resistanceAll glass...