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About product and suppliers:
        Alibaba.com offers 7,659 round heatsink products. About 49% of these are heat sinks, 34% are aluminum profiles, and 1% are lamp cups. 

A wide variety of round heatsink options are available to you, such as round, square, and t - profile. You can also choose from 6000 series, 1000 series. As well as from aluminum, aluminum alloy. And whether round heatsink is black, silver, or red. 

There are 7,659 round heatsink suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of round heatsink respectively. 

Round heatsink products are most popular in North America, Western Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 3,977 with Other, 3,350 with ISO9001, and 572 with ISO14001 certification.