Shandong guangpu solar energy project co.,ltd.

Guangpu Solar Energy Project Co.Ltd is in the line of all-glass evacuated tubes for 15 years. Such tubes are easy to make because only glass is to be used and the vacuum can last for the inner tube and the outer tube are sealed together. The inner tube and the outer tube are made of Borosilicate 3.3, which can well resist hailstones with a diameter of 25mm. The absorbers material is SS-AlNx/Cu the absorptance of which is above 0.92. All-glass heat pipe is one of our patented products.

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