We&＃039;re Changchun Deshuang Import and Export Corporation. Our company located in the optical base of China, Changchun City, Jilin Province. We&＃039;re an ISO certified company. On one hand our company specializes in manufacturing a wide range of optical components, like spherical lens, cylindrical lens, ccd lens, prism, filter, mirror, etc. We also can provide you with the fabrication and assembly of the mechanical part. On the other hand, we&＃039;re the agency of Ion Beam Milling Inc., in China, serves the microelectronic and microwave community in creating ultra high density micro-machined devices.