all glass evacuated tube

all glass evacuated tube 1.CE,ISO9001certificate 2.production capacity of 8000-10000pcs/day 3. more than 15years

all glass evacuated  tube

1. Unique three-layer absorption technology

2. Unique Three-Layer(stainless steel/red copper/aluminum),

 allowing high temperature endurance and preventing peeling off even

when the glass gets waxy degeneration

3. Unique Three-layer against degeneration, color feding or performance degeneration due to exposure the empty vacuum tube under the sun over time, extending the life of the product.

4. Incorporating three layer interference coating technology. 5. Unique super pure copper surface, allowing lower reflection and minimal heat loss.

6. Ideal heat collection efficiency in extreme cold water, with

 hot water available at a temperature of -30C

all glass evacuated tube