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About product and suppliers:
        Alibaba.com offers 14,054 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 14,054 round heat sink suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of round heat sink respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 6,341 with ISO9001, 3,854 with Other, and 1,291 with ISO14001 certification.