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SINS provides a high-precision solution of  valves and spools
,especially the bore manufacturing with the complex shape -
tolerance and roughness. The tolerance and roughness can be
controlled in a excellent condition in the mass production, and
the advantages is as follows:
  • Excellent bore manufacturing - Tolerance and roughness
  • Low Friction
  • Reduced Cost
  • High-Precision
  • High Hardness - bore

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