Dayang Technology Limited is an exporter and manufacturer of Optical Network Device in Shenzhen China. With 7 years experience, we are specialized in various compatible XENPAK/ XFP/ X2/ SFP/ GBIC /CWDM modules , and compatible memory, such items used in device of Cisco, 3Com, Huawei, HP,Nortel etc.
Competitive price and highly quality are available.

especailly for 10gb optical transciever as following
850nm Xenpak-10gb-sr
1310nm Xenpak-10gb-lr
40km Xenpak-10gb-er
80km Xenpak-10gb-zr
850nm X2-10gb-sr c
1310nm X2-10gb-lr c
X2-10gb-er c
X2-10gb-zr c