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About product and suppliers:
        Alibaba.com offers 338 parabolic trough solar collector products. About 78% of these are solar collectors, 13% are solar water heaters, and 5% are solar energy systems. 

A wide variety of parabolic trough solar collector options are available to you, such as pressurized, vacuum solar collector, and flat panel. You can also choose from solar thermal, water heater, and air conditioning system. As well as from glass, copper, and pvc. And whether parabolic trough solar collector is paid samples, or free samples. 

There are 336 parabolic trough solar collector suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Macau, and Taiwan, which supply 97%, 2%, and 1% of parabolic trough solar collector respectively. 

Parabolic trough solar collector products are most popular in South America, Southeast Asia, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 260 with ISO9001, 88 with ISO14001, and 63 with Other certification.