Our company is located in Changchun City, the optics base of China. With 30 years of experience in history, our company has developed into the most important company of optical components and instruments in Changchun. We have the first class technicians and skilled workers. We also have the advanced technological equipments and complete testing systems. We are capable of manufacturing varieties of optical components and optical systems at customerâ??s request. And we have the ability to install and test various precision instruments.