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About product and suppliers:
        Alibaba.com offers 8,597 edfa products. About 95% of these are fiber optic equipment. 

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

There are 8,582 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 Asia, and South America. 

You can ensure product safety by selecting from certified suppliers, including 7,702 with ISO9001, 398 with Other, and 252 with ISO14001 certification.