1. Modulated design, stand-alone/integrated type
2. Considerable pipe layout, fine tightness and safety quality
3. Unique reliable but convenient charge and sealing connectors
4. Helium recover rate is ≥ 95%
5. On-line helium concentration and pressure review
6. Charge pressure adjustable among 0.5~30MP (MAX)

7. High accurate and reliable pressure sensor with span at 0.5%
8. Dual-stage vane rotary pump miscellaneous gas exhaust, Single-stage vane rotary pump helium backfill, reliable and clean vacuum oil filter
9. Compressed pump or booster tailor used, frame type layout with noise and shock absorbing design, large gas exchange axial-flow fan device
10. Flexible digital communication type by aviate and straight thread plug connector