Eonkey is the factory which do optical fiber products for many years here, We can promise the inserton loss is less than 0.2 dB, and he return loss is more than 50dB, and 85% of them passed 3D testing here, including the 3D testing reports.

Welcome to visit my factory in Ningbo, Thanks.

So hope to be friends with you and have business with you.

Thanks again.