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About product and suppliers:
        Alibaba.com offers 8,999 edfa products. About 95% of these are fiber optic equipment. 

A wide variety of edfa options are available to you, such as free samples, paid samples. 

There are 8,982 edfa suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Hong Kong, which supply 99%, 1%, and 1% of edfa respectively. 

Edfa products are most popular in South Asia, Domestic Market, and North America. 

You can ensure product safety by selecting from certified suppliers, including 5,882 with ISO9001, 559 with Other, and 71 with ISO14001 certification.