Raysung photonics,located in the export processing zone of Xi'an, China,is specialized in manufacturing FBG, lensed fiber and FBG filter for FTTH. Besides these three main products, Raysung can aslo manufacture wavelength stabilizer and DWDM FBG filter, chirped fiber grating, long period grating, custom fiber grating and so on. In addition, Raysung has ability to develop and produce special gratings for sensor. The compay is committed to the research, design and producing of these products and it is one of the only manufactures which has the capacity to volume- producing all sorts of fiber grating in China. Moreover,Raysung is one of the only manufactures in the world who has the capacity to manufacture the type of optical fiber which incorporates FBG and lensed fiber. Raysung's products are widely used in aerospace,construction industry,coal industry,etc. The company's professional teams have rich experience in photoelectric area and it uses advanced technology and equipment. This allow them to provide their customers with high-quality products and optimized proposals. 

In 2006, Raysung completed ISO9001: 2000 and ISO14001 certification and also obtained several patent rights. Raysung's products are always superior in quality and competitive in price.