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About product and suppliers:
        Alibaba.com offers 3,781 metal heatsink products. About 23% of these are aluminum profiles, 10% are heat sinks, and 1% are lamp cups. 

A wide variety of metal heatsink options are available to you, such as angle, square, and t - profile. You can also choose from ccc, bv, and ce. As well as from aluminum, aluminum alloy, and copper. And whether metal heatsink is black, silver, or gray. 

There are 3,781 metal heatsink suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of metal heatsink respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 1,651 with ISO9001, 795 with Other, and 706 with ISO/TS16949 certification.