Tendou has always been focused on creating totally reliable and high quality SFP optical transceivers and components to global optical network user and fiber communication equipment manufacturer. We integrate R & D, sales and manufacturing process of assembly line from foundatioinal component to optical transceivers, standardize company operation by strict observance of ISO9001. Today, the technologies may have changed, but the core values and expertise of our business remain as they always were - cost-effective and innovative solutions with fully supported design and manufacturing capabilities. Products: 1.25Gb/s SFP MODULE, 155Mbps SFP MODULE, 1.25Gb/s SFP BIDI LC , 155Mbps SFP BIDI LC, 1.25Gb/s SFP BIDI SC, 155Mbps SFP BIDI SC ...etc