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About product and suppliers:
        Alibaba.com offers 3,926 metal heatsink products. About 22% of these are aluminum profiles, 11% are heat sinks, and 1% are lamp cups. 

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

There are 3,926 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, 794 with Other, and 718 with ISO/TS16949 certification.