Price:Negotiable

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Description:

1.OEM is welcome
2.Different treatment: moly, phosphated, chrome plated.
3.Good quantity and lowest price

 

 

1, the rings from dia20mm to 295mm are available
2, material :
Ductile cast iron
polybasic alloy cast iron
WVTi alloy cast iron
act.

3, surface treatment
Ceramics CVD
Chromium plating
Plasma Spraying
Gas Nitriding
MoS2 Coating
PTFE Coating
Copper Plating
Tin Plating
Phosphating
Oxiding
Ceramics penetrating


4, annual turnout :
piston ring: 60, 000, 000pcs
valve seat inset:10, 000, 000pcs
spiral spring: 40, 000, 000pcs

5, Quality policy:
ISO9000
ISO14000
ISO/TS16949