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About product and suppliers:
        Alibaba.com offers 44,045 heatsink products. About 29% of these are aluminum profiles, 13% are heat sinks, and 1% are lamp cups. 

A wide variety of heatsink options are available to you, such as square, flat, and angle. You can also choose from silver, white, and blue. As well as from aluminum, aluminum alloy, and copper. And whether heatsink is ip67, ip55, or ip54. 

There are 43,827 heatsink suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Hong Kong, which supply 98%, 1%, and 1% of heatsink respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 16,826 with ISO9001, 12,106 with Other, and 3,989 with ISO14001 certification.