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About product and suppliers:
        Alibaba.com offers 7,681 edfa products. About 94% of these are fiber optic equipment. 

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

There are 7,661 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 Domestic Market, South America, and South Asia. 

You can ensure product safety by selecting from certified suppliers, including 6,955 with ISO9001, 366 with Other, and 255 with ISO14001 certification.