Vacuum Tube of Three Tenors

Features:
1) Using Copper-Stainless-AL (C-S-AL) vacuum tubes
1) Extremely strong transparent glass ...

Solar Water Heaters

D47

Features:
1) Thickness of pipes: 1.6mm
2) Solar water heater using heat-pipe vacuum tubes with D47...

Solar Water Heaters

D58

Features:
1) Thinkness of pipe: 1.6mm
2) Saving above 50 temperature in winter ...

Solar Water Heaters

D70

Features:
1) Thickness of pipe: 1.8mm
2) Inner tank material: SUS304-2B food stainless ...

Vacuum Tube of Three

Features:
1) Seletive Copper-Stainless-AL (C-S-AL) vacuum tubes
2) Extremely strong transparent glass ...

Vacuum Tube of Three Tenors

Features:
1) Seletive Copper-Stainless-AL (C-S-AL) vacuum tubes
2) Extremely strong transparent glass ...

Vacuum Tube of Three Tenors

Features:
1) Seletive Copper-Stainless-AL (C-S-AL) vacuum tubes
2) Extremely strong transparent glass ...

Solar Water Heaters

D47

Features:
1) Thickness of pipe: 1.6mm
2) Solar water heater using heat-pipe vacuum tubes with D47...

Solar Water Heaters

D58

Features:
1) Thinkness of pipe: 1.6mm
2) Saving above 50 temperature in winter ...

Solar Water Heaters

D70

Features:
1) Tank diameter: 420 - 520mm
2) Inner tank material: SUS304-2B food stainless...