Wuhan Seifree Technology Co., Ltd is located at the Optical Valley, East Lake National High-tech Development Zone of Wuhan. It specializes in R&D, manufacturing, sales of Optical Passive Components. With the great technologies in optical research and production, Yilut gathers a number of optical talents on fiber communication, which possess the rich experience of R&D and a strong capability of technology innovation. 

The product includes thin-film filter (DWDM, CWDM, Triple-play WDM), Fused Bi-Conical Taper (Coupler, WDM) and Waveguide Splitter (PLC Splitter), Micro-optics (Circulator, Isolator) Fiber optical Interconnect (Optical Jumper, Adaptor) and other components and modules of Active (CWDM SFP) and Passive. 

We create a good working atmosphere, solidarity and cooperation, and build the corporate culture --Service, Excellence, Innovation, Fidelity, Reciprocity, Economical, and Development. All products are designed, manufactured and delivered to meet the requirements of Telcordia and ISO9001. 

We welcome you to consider Seifree to provide the high-quality product and considerate service for meet your demands.