Founded in 2005, Raysung Photonics is located in the Shaanxi Xi'an Export Processing Zone, China and is specialized in manufacturing Fiber Bragg Grating (FBG), FBG filter and lensed fiber. The company is committed to research, design and production of these products and it is one of the only manufacturers which have the capacity of volume-producing all sorts of fiber grating in China. Besides, Raysung is also one of the only manufacturers in the world who have the capacity to manufacture the type of optical fiber which incorporates FBG and lensed fiber. Raysung's products are widely used in the devices of optical communication, optical sensing and laser, etc.