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About product and suppliers:
        Alibaba.com offers 14,049 round heat sink products. About 42% of these are heat sinks, 38% are aluminum profiles, and 1% are lamp cups. 

A wide variety of round heat sink options are available to you, such as square, round, and flat. You can also choose from 6000 series, 1000 series. As well as from heat sink, decorations, and door & window. And whether round heat sink is is alloy, or non-alloy. 

There are 14,130 round heat sink suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Canada, which supply 98%, 1%, and 1% of round heat sink respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 6,455 with ISO9001, 3,876 with Other, and 1,287 with ISO14001 certification.