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Haining Aoxin Solar Collector Tube Co,Ltd
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About Us
our company is applying itself to 3.3 high-borosilicate glass vacuum cavity, three target tube,single target tube, the target of the vacuum tube solar and all kinds of solar water heater!
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it is made of borosilicon glass 3.3, with the stress be removed the tube has ...
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this is purple golden vacuum tube, has all-glass double-tube co-axial ...
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