material:
cast iron (NPR)
HB:NIPPALLOY
SR:STEEL
SURFACE TREATMENT:
W:
Fe,
Cr,
2Cr,
4Cr,
GN,
PVD
JF
SN
section configuration:
P(CRI. F12)
BF.BF-M(CRI-BF)
T1(B1-T1.BO)
IB
BF-IB.BF-IC(CRI-BF-IB)
Our main business range includes all kinds of piston rings from Φ90MM to Φ150MM.
our producta are widely used at automobile car,diesel truck,gasoline engines,engineering,machineries,combustion engines and air compressors etc.
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