活塞/活塞环

Titanium plating

No.P-10

Anodizing

No.P-11

Forged Piston

No.P-12

Graphite coating

No.P-13

Micro-arc oxidation

No.P-14

Phosphate treatment

No.P-15

Oxidation treatment

No.P-16

Oxidation treatment

No.P-17

Oxidation treatment on top

No.P-18