Prosino Internation is the leading manufacturer for SFP Module , SFP Transceiver . There is library in our company to do R&D . Now our products are focus on 1.25G , 2.5G 10G SFP module . The quality can meet or exceed with Big brands like Cisco, HuaWei and so on . All of our products much be 100% tested before shipment . We also provide the OEM and ODM service . Warranty : 2 years . We are strict to make high quality products so we cooperating with many famous brand in over of the world . Telecommunications Sub-categories:Fiber OpticMixed TelecommunicationsTelecom Cables