Optics Technology Holding Co., Ltd. researches, develops, produces, and sells infrared optical materials, infrared components, and thermal cameras in China and internationally. Its products include infrared optical materials, semiconductor foundation materials, epitaxial wafers, infrared detectors, camera cores and modules, infrared lenses, and thermal cameras for outdoor, temperature measurement, security, and consumer electronics applications. It also offers camera core, lens, and material customization services, serving automotive, outdoor, new energy, energy and metallurgy, public livelihood, security prevention, intelligent manufacturing, and intelligent building sectors. Formerly Harbin ZhongFei New Technology CO., LTD., it changed its name to Optics Technology Holding Co., Ltd. in November 2021; it was founded in 2006 and is headquartered in Harbin, China.