Our concentrate on should be to consolidate and enhance the quality and service of present products, meanwhile consistently produce new products to meet unique customers' demands for EA modulator laser, Mach Zehnder Modulator Bias Control , Independent Polarization Modulator , Polarized Light Detector ,Power Meter For Fiber Optic . We hope we are able to have a pleasant partnership with businessman from all over the environment. The product will supply to all over the world, such as Europe, America, Australia,Mumbai , Australia ,Kenya , Sri Lanka .We are looking forward to cooperating closely with you to our mutual benefits and top development. We guaranteed quality, if customers were not satisfied with the products' quality, you can return within 7days with their original states.