Application scope: Military defense: Infrared glass is used in military equipment such as infrared detection and thermal imaging, and the export of related products should follow strict international military trade rules and export control policies of various countries. Some countries strictly control the export of high-performance infrared glass, restricting the technology from flowing into specific areas. Security system: it is used to monitor security products such as cameras and face recognition equipment. With the growth of global security demand, infrared glass used in security field has a good export prospect, especially in areas with high security demand. Automobile field: It is used in automobile driver assistance systems, etc. Countries and regions with developed automobile industries and great demand for advanced driver assistance systems are the main export targets, such as Europe, America and Japan. Medical industry: Countries that are used in infrared diagnosis and monitoring equipment, with perfect medical system and great demand for advanced medical equipment are potential markets, and the products must meet the local medical product certification standards.