Chengdu Eoptolink Technology designs , develops, manufacture and markets a diverse portfolio of high-performance, cost-competitive optical transceiver modules for all applications. Eoptolink, as an industry, Chinese based, leader empowers customers to deliver superior products for Enterprise, Access, Metro and Core applications for the customer all round the world.
Product range: 
-10Gbps SFP+, XFP, XENPAK, X2
-SFP, WDM SFP
-GBIC, WDM GBIC
-CWDM: SFP, SFF, 1x9, GBIC
-DWDM: XFP, SFP
-Multirate SFP, Multi-rate WDM SFP
-GEPON SFP, SFF both for OLT and ONU
-GPON SFP, SFF both for OLT and ONU
-1x9, 2x5, 2x10 modules
-TOSA, ROSA, BOSA
-transceivers for special applications
-transceivers with any level of customization