Newstar Networking Technology Co., Limited is professional manufacturer in china,We are professional provider of optical communication products used in telecommunication systems and data communication networks.
We can supply optical transceivers products:GBIC, SFP, SFP+,BIDI SFP,CWDM SFP,CWDM GBIC,DWDM SFP,X2,XFP,XENPAK.
All of products are compatible with 3com, AVAYA, Alcatel, Allied, Cisco, Enterasys, Extreme, Foundry, HP,Juniper, Nortel, D-link,Finisar.
please do not hesitate to contact me if you have interested.

Thanks
Newstar Networking Technology Co., Limited