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The outside and inside of the cast iron rings can be turned simultaneously by utilizing profile processing technology. Flatness of the piston ring can be adjuster successively to meet all the requirements of the products, which have different pressure destribution.
       
 
 
Taper-faced chromeplate Import Production Line
 
Erecting-type I.D.& O.D. Turning-boring Lathe (Switzerland)
 
 
 
Full Function Piston Ring Lathe (japan)
 
Full Automatic Piston Ring O.D Grinding Machine (Japan)
 
   
Horizontal-type I.D & O.D. Turning-boring Lathe
 
 
 
Iron Ring Production Line
 
   
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