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About product and suppliers:
        Alibaba.com offers 4,267 china 20w led source products. About 1% of these are general trade agents, 1% are laser equipment parts. 

A wide variety of china 20w led source options are available to you, such as ce, ccc. You can also choose from free samples, paid samples. 

There are 4,267 china 20w led source suppliers, mainly located in Asia. The top supplying countries or regions are China, Hong Kong S.A.R., and Singapore, which supply 99%, 1%, and 1% of china 20w led source respectively. 

China 20w led source products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 1,098 with ISO9001, 503 with Other, and 240 with OHSAS18001 certification.