Vacuum technology is a comprehensive scientific and technological field with a wide range of applications. At present, vacuum equipment has become an indispensable and important equipment in various fields. The main application areas include: 1. Electronics industry 2. Lighting industry 3. Optical instruments 4. Mechanical manufacturing 5. New energy 6. Medical industry 7. Global environmental protection; The above is only a part of the application scenarios of vacuum technology in various industries. Undoubtedly, the connection between vacuum technology and various industries is very close, which has driven the continuous growth of the vacuum equipment industry.