Optics Technology Holding Co.,Ltd engages in the research, development, production, and sale of infrared optic materials, infrared components, and thermal cameras in China and internationally. The company’s infrared materials include germanium, zinc selenide, zinc sulfide, chalcogenide glass, silicon, and gallium arsenide; and semiconductor substrate and Al/Ti/Cu materials. It also provides infrared components, such as infrared detectors, camera core and modules, and infrared lens; and outdoor, temperature measurement, security and protection, and consumer electronic thermal cameras. In addition, it offers camera core, lens, and material customization services.