Features
Using specific material that has high insulation effects,
blocks the piston heat and increase the lifetime of needle bearing

Piston Ring
Increasing sealing performance / Increasing outlet air volume /
Extend lifetime

New Air Valve
- Changing the shape of inlet/outlet
- Changing U type to I Type to minimize the compressed air
??leakage.
- Applying new type of air valve, and outlet air volume
??maximized.