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About product and suppliers:
        Alibaba.com offers 123,636 3mm led products. About 4% of these are diodes, 1% are lamp led, and 1% are led point lights. 

A wide variety of 3mm led options are available to you, such as led, signal diode, and rectifier diode. You can also choose from through hole, surface mount. As well as from free samples, paid samples. 

There are 123,424 3mm led suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Hong Kong, which supply 99%, 1%, and 1% of 3mm led respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 28,844 with ISO9001, 16,456 with Other, and 4,876 with ISO14001 certification.