Quality

Quality

We at National Piston Rings India exercise complete quality control at all stages of production to ensure compliance to quality standards. Superior equipment and machinery are used for a higher precision level and superior finish and productivity.

Some of the quality control parameters we follow are:

  • 100% light tightness on light leakage
  • Tensile of all rings are checked
  • Ensure required thickness of hard chrome plating and moly for more durability
  • Hardness of Piston Rings is checked