1. It can be used for cleaning precision machinery, etc. 2. Low noise; 3. No maintenance; 4. The dry ice blasting quantity can be adjusted; 5. The injection pressure can be adjusted; 6. Design that can be easily moved; 7. A variety of nozzles are available; 8. Adapt to long-term operation; 9. Emergency button and ice-free alarm device. 10. One-button start and easy operation.