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About product and suppliers:
        Alibaba.com offers 7,976 vacuum heat pipes products. About 39% of these are solar collectors, 38% are solar water heaters, and 1% are plastic tubes. 

A wide variety of vacuum heat pipes options are available to you, such as vacuum solar collector, pressurized, and manifold collector. You can also choose from solar thermal, water heater. As well as from glass, copper, and pvc. And whether vacuum heat pipes is free samples, or paid samples. 

There are 7,976 vacuum heat pipes suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of vacuum heat pipes respectively. 

Vacuum heat pipes products are most popular in South America, Domestic Market, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 5,919 with ISO9001, 2,257 with Other, and 1,196 with ISO14001 certification.
        
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