03Product Line
YPR is manufacturing various types of cast iron piston rings, stainless steel oil rings, cylinder liners, valve guides and camshafts
CYLINDER LINER
Cylinder Liner is one of major components which consists combustion chamber with Cylinder Head and Piston in the internal combustion engines. It plays important role for the motion guidance of piston, sealing with Piston Rings, oil control and heat transfer during engine operation.

Application of YPR Cylinder Liner
A variety of Cylinder Liners for Gasoline, Diesel, Industrial and Marine engines as well as Industrial Refrigerator and Electric Generator.

Cylinder Liner Technology
01
DIESEL ENGINE(for large output)
- Wear resistance
- Scuff resistance
- Friction decrease
- Cost efficiency
02
GASOLINE & LPG (AL BLOCK)
- Close Adherence
- Wear resistance
- Thin wall
- Cost efficiency
03
SURFACE TREATMENT
- Cr Plating
- Phosphating
- Plateau Honing
- GAS Nitriding
Various kinds of YPR Cylinder Liner
01
Diesel Engine

Dry TypeWet Type 02
Gasoline & LPG Engine (AL-Block)

Press Fit TypeCast-in Type 03
Refrigerator and Air Compressor

