Established in 1936, Yunnan optical instrument factory is the birthplace of China optical industry and the earliest and largest comprehensive precision optical instrument company in China, which integrates scientific research, development and domestic and foreign trade sales. It is a large-scale backbone enterprise with the right to operate import and export trade approved by the Ministry of Foreign Economic Relations and Trade.

The company gives full play to the advantages of military production technology, and devotes itself to the research and application of optics, electronics, infrared and low-light-level night vision technology, focusing on the production of precision optical instruments with optical, mechanical and electrical integration, and at the same time, develops and produces optical measurement and testing instruments and advanced and efficient optical cold processing equipment. From optical glass melting, optical cold working, precision machining, high-tech photoelectric imaging device manufacturing, surface finishing, instrument assembly to domestic and foreign trade sales of products.