Wuhan Junbang Optoelectronic Technology Co., Ltd. Was established in 2006. Junbang-Optical is located in East-West Lake, Wuhan, Hubei Province, is a modern technology enterprise specializing in optical processing, sales and service with a focus on infrared optics. The company specializes in a wide range of customer needs in infrared, ultraviolet and visible light applications. The company has a complete production line for processing flat, spherical, super-hemispherical, aspherical and optical free-form parts in a wide range of materials, including zinc sulfide, silicon, germanium, calcium fluoride, magnesium fluoride, spinel, sapphire, ceramics, quartz glass and regular visible light glass, etc. The company has strong technical strength, professional management team, core technical backbone engaged in optical processing for more than 20 years, with professional theoretical knowledge, a wealth of industry knowledge and practical skills. Provide services to the Changchun Institute of Precision Machinery and Physics of the Chinese Academy of Sciences, the Western Optical Institute, Shanghai optical the Institute, 8358 institutions, 717 institutions, and the Shanghai Institute of Silicates and the Department 9 of the Fourth Academy of Science and Engineering, Suzhou University, Sichuan University, and other scientific research institutes and universities with customize high-precision, ultra-smooth, shaped, oversized and ultra-thin components. The engineers in charge of optical thin film technology are experts in the industry, and they have been engaged in the research and development of various thin films for military projects, narrow-band filters for optical communication DWDM, high-power laser damage films, and key projects such as the depolarization spectroscopy film for interferometric spectrometer for aerospace projects, etc., and they are experienced in the design and process of thin-film devices. The filters developed by the company are characterized by high transmittance, deep cutoff, high stability, high precision of film thickness and wavelength control, good film uniformity and high repeatability of coating, which are widely used in fluorescence analysis, laser processing, detection and sensing.