Key features:

1.  Vertical design, compact structure, small took up the space;

2. Beautiful shape, the human body engineering design, easy operation;

3. The original imported enclosed compressor, efficient and reliable, low noise;

4. Double compressor cascade refrigeration, mature technology, low temperature;

5. Cryotrapping openings, samples pre-frozen function;

6. Stainless steel cryotrapping, cold inside the well pipe no disk, bright and clean and corrosion resistance;

7. Patent design diversion tube, improve cryotrapping effective area, rapid freeze-drying;

8. The original imported filling the air valve, charged dry nitrogen or inert gases;

9. Transparent organic glass bell prover dry room, safe and direct;

10. International standard vacuum connection, convenient remove and installation, reliable  seal performance;

11. Digital display temperature and vacuum;

12. Optional sample temperature display.