As one of the professional China DWDM sfp manufacturers, we are dedicated to producing DWDM sfp of high performance and high precision. Welcome to get in touch with our factory.Our 1.25Gbps SFP BIDI, reliable Competitive SFP+ ER, reliable 10Gbase-ZR DWDM X2 must pass strict quality control testing during the processing, therefore it is of high quality and enjoys a good reputation in the domestic and international market.